Guide · Sleep

The best AI sleep coach apps compared, and why tracking your sleep isn’t the same as getting it

RISE, Sleep Cycle, Oura, WHOOP, Google Health and Sleep Reset all promise better nights. Here’s what each one tracks, coaches and costs, and what changes when your sleep coach can see your whole week and plan the day around the night.

By Trent, founder of Retenna26 min read

Last checked 23 October 2026How we checked

Facts come from each maker’s own website, help pages, privacy policy and App Store listing, and link to their source; health guidance comes from the NHS and is labelled. Prices are US prices and ratings are from the US App Store on that date. WHOOP’s main website blocked our check, so its facts come from WHOOP’s help pages and App Store listing; some privacy details are from our 22 October check. We didn’t install or test the apps. Retenna is our product and isn’t out yet: where we describe it, it’s what it’s built to do.

Why most AI sleep apps fall short

Most sleep apps are very good at last night. You wake to a score, a chart of your sleep stages and a tip about caffeine, and the best of them now add an AI coach you can ask why you slept badly.

But a night’s sleep is usually decided long before bedtime. Prep left until the night before a big day, a hard workout at 18:00, a party that runs past one, two short nights in a row that nobody planned around. A tracker can measure all of that afterwards. A good sleep coach changes the day, so you actually get the night.

What a good AI sleep coach knows

  • How much sleep you need, and how much you’re getting. Not a number from a chart, but yours, from weeks of your own nights.
  • Your body clock. When you naturally get sleepy and wake up, and how far your week pulls you away from it.
  • What costs you sleep. Big days, stressful weeks, late chores and late nights out.
  • What’s coming up. The interview, the early train, the party on Saturday, the long-haul flight. Tomorrow decides tonight.
  • What your training and meals are doing. A hard session the evening before a big day, or breakfast skipped when you’re nervous.
  • Its limits. A busy week is a coaching problem. Months of poor sleep, or pauses in your breathing at night, are for a doctor.

What an AI sleep coach should do for you

Knowing all that only helps if it changes your week. A good AI sleep coach should:

  • Plan the evening, not just the bedtime. A wind-down at 21:30 is easy when the prep, the chores and the workout finished earlier.
  • Protect the nights that matter. The night before an interview, a race or an early train, and the night before a late one.
  • Ease the day after a short night. With your trainer, so you get an easy run instead of intervals you’d only cut short.
  • Time your meals for your sleep. With your nutritionist, so dinner comes earlier and lighter on the nights that matter.
  • Plan for travel before you go. An early start or a night away changes when you can sleep, and before a long-haul flight it should start moving your bedtime towards the new time zone.
  • Keep it realistic. A bedtime you’ll actually keep, around the life you have, not a perfect routine you’ll drop by Wednesday.
  • Explain itself, and know when to send you to a doctor. “A wind-down at 21:30, because you sleep badly before big days” is more useful than a score.

The top AI sleep apps at a glance

We picked the sleep apps people most often turn to for coaching, from a phone on the bedside table to a ring, a strap and a watch, plus one programme built for insomnia. It’s a selection, not a ranking. For meditations and sleep stories, our wellbeing coach guide compares Calm and Headspace.

US prices, checked 23 October 2026. Where a maker doesn’t say how long a price covers, we don’t either. Retenna is ours and not out yet: its row shows what it’s built to do.
AppCostTracks your sleep withBest at
RISENo free plan; 7-day trial, then a membership; AI coaching extraYour phone, or a wearable through Apple Health or Health ConnectYour sleep debt, a nightly bedtime window and your energy through the day
Sleep CycleFree tracking; Premium for coaching on your own sleepYour phone, from the bedside table; no wearable neededTracking from sound or motion, a smart alarm, snoring detection and Luma, an AI sleep coach
Oura$5.99 a month or $69.99 a year, plus the ringThe Oura RingDetailed nights from a ring, a bedtime suggestion and Advisor, an AI that remembers you
WHOOPFrom $199 a year, wearable includedThe WHOOP strapHow much sleep you need tonight, a bedtime and a vibrating alarm, with an AI coach
Google HealthFree app; coaching with Premium, from $9.99A Fitbit or Pixel Watch, for the coachSleep stages and a Sleep Score, with Google Health Coach, built with Gemini
Sleep Reset$19 for a trial week, then $297 every 28 daysA sleep diary in the app; no wearable neededA programme built on CBT for insomnia, with a human coach rather than AI
Retenna OursFree early access, with founding pricing for lifeThe health apps and wearables you already use, such as Apple Health, Health Connect and Samsung HealthA wellbeing coach that works out how much sleep you need and plans your days so you get it, with your trainer, nutritionist and planner

Do you need a wearable?No. Sleep Cycle tracks you with your phone’s microphone or motion sensor, and RISE with your phone’s motion and screen activity, though RISE says a wearable such as an Apple Watch or an Oura Ring can be more accurate. Oura, WHOOP and Google Health Coach need their own ring, strap or watch. Already wear one? Keep it: Retenna is built to read your sleep from the health apps your tracker shares with, such as Apple Health, Health Connect and Samsung Health.

App by app

RISE

Cost
No free plan; 7-day trial, then a membership; AI Expert extra
Tracks with
Your phone, or a wearable

RISE says more than 10 million people use it, and it’s built around one idea: sleep debt, the sleep you owe your body over the last 14 nights compared with how much you need, and suggests keeping it under five hours. It works out your sleep need, predicts your energy peaks and dips with a model that improves as your nights add up, and gives you a Melatonin Window as its bedtime recommendation. Its Smart Alarm wakes you in a lighter phase of sleep within a window around your alarm, and shows whether that wake time adds to your sleep debt or pays it down. On iPhone, it can write your energy peaks, dips and wind-down into Apple or Google Calendar.

Worth knowingIts AI Expert coaching is a paid add-on, and the RISE Sleep Clinic’s sleep psychologists are another. Its bedtime follows your recent sleep, so RISE says it may not suit your work or social plans, and that after crossing time zones it takes a few days to catch up. Writing blocks into your calendar isn’t the same as moving your plans, and we found no sign it does. Its privacy policy says it doesn’t sell your data.

Sleep Cycle and Luma

Cost
Free tracking; Premium for coaching on your own sleep
Tracks with
Your phone; no wearable needed

Sleep Cycle says it has been downloaded more than 40 million times. It tracks your night from sound or movement with your phone on the bedside table, wakes you in your lightest sleep phase with a Smart Alarm, and picks up snoring, coughing and sleep talking. You can add notes such as caffeine, stress or exercise to see how they affect your rest, and set a Sleep Goal that reminds you when to get ready for bed. Luma, its AI sleep coach, turns your tracked nights into advice on your routines and goals, looks at your long-term trends, remembers past conversations and checks in on things like sleeping with a partner, pets in bed or snoring.

Worth knowingGeneral chat with Luma is free, but talking about your own sleep needs Premium, and the Luma page lists it for new iPhone users first, with existing users getting it during 2026. Luma uses AI models including OpenAI’s. Its privacy policy says that, if you agree, short audio clips help train its sound models and may be reviewed by people. Planning around your calendar isn’t mentioned, and a snoring count isn’t a sleep test.

Oura and Advisor

Cost
$5.99 a month or $69.99 a year, plus the ring
Tracks with
The Oura Ring

Oura makes a smart ring, and its filing reports 5 million paying members at the end of June 2026. Each morning you get a Sleep score and a detailed look at your night, and you can tag things like caffeine or alcohol to see what they do to your sleep. Bedtime Guidance suggests a bedtime from your recent wake-up times and your best Sleep Scores, and Body Clock compares your sleep with an ideal window for your chronotype, which takes 40 to 90 days to appear and can change over time. Advisor, its AI, uses your scores, tags, profile and conversations, keeps memories you can view or delete, and checks in when you choose.

Worth knowingAdvisor needs a Gen3 ring or later and an active membership. Oura says the ring isn’t a medical device, and asks you not to change your sleep schedule, medication or workouts without first talking to your doctor. Its privacy policy lets it use your data to develop its own AI features, though it says it doesn’t sell data for other companies’ AI training. After a long flight, Jet Lag Aware Readiness explains why your score has dropped, and Oura’s blog suggests shifting your bedtime yourself before you go. Calendar connections aren’t mentioned.

WHOOP and WHOOP Coach

Cost
From $199 a year, wearable included
Tracks with
The WHOOP strap

WHOOP is a screenless strap with an app and a yearly membership. Its Sleep Planner works out how much sleep you need tonight from your baseline, the day’s strain, your sleep debt and any naps, suggests a bedtime, and can wake you with a gentle vibration at a set time or when you’re fully rested. Each evening, Day in Review gives you a recommended bedtime range and nudges to wind down. WHOOP Coach answers questions from your own data and sets your training target from how recovered you are, and its My Memory panel lets you see, add or remove what it knows, such as a goal, travel or being a new parent.

Worth knowingYou need the strap and a yearly membership: $199 for One, with Peak at $239 and Life at $359 adding more health features. WHOOP says it doesn’t replace a human coach or give medical advice, and you can switch Coach to general advice that doesn’t use your data. It adjusts its sleep consistency score when you cross time zones. We found nothing about it reading your calendar.

Google Health and Google Health Coach

Cost
Free app; Premium from $9.99 for the coach
Tracks with
A Fitbit or Pixel Watch

In May 2026, the Fitbit app became Google Health. With a Fitbit or Pixel Watch, it shows your Sleep Score, your sleep stages and your schedule. With Google Health Premium, you also get Google Health Coach, built with Gemini, which makes sense of your sleep data and gives you advice on it. Google says you can also get a personalised sleep schedule and bedtime reminders, and you can connect Health Connect, Apple Health and other apps and ask it about that data too.

Worth knowingThe coach is for adults aged 18 and over, in supported countries including the US and UK, and only with a Fitbit or Pixel Watch. Google says it’s not intended for medical purposes, and asks you to check its answers for accuracy. You can check or delete what you’ve shared with the coach, and Google says your health data is “all for you, not for ads”. Some sleep features, including Sleep Profile, were removed in the change.

Sleep Reset

Cost
$19 for a trial week, then $297 every 28 days
Tracks with
A sleep diary; no wearable needed

Sleep Reset is a different kind of app: a programme built on CBT for insomnia, a structured talking-therapy approach. It takes about 10 minutes a day, with short lessons, a sleep diary and a wind-down before bed, and a real coach you message. Its own site says “real sleep clinicians, not AI”. Your plan is adjusted every five days, and it also offers clinician visits, including at-home testing for sleep apnoea.

Worth knowingIt’s built for the US, with prices in dollars, insurance for clinician visits, and English-speaking coaches who reply within 24 to 48 hours on weekdays. It’s for ages 14 and up, with a parent’s consent under 18, and it says to talk to your doctor before changing any sleep medication. Outside the US, ask your GP about CBT for insomnia.

Where Retenna’s wellbeing coach goes further for sleep

These are good apps, and each is excellent at something: Sleep Cycle for tracking with nothing but your phone, RISE for sleep debt and your energy through the day, Oura, WHOOP and Google Health for detailed nights and an AI coach that knows your numbers, and Sleep Reset for a structured programme with a real person. What none of them says it does is change the day. They can tell you to be in bed by 22:30. They can’t move the prep, the workout or the drinks that would keep you up.

Checked 23 October 2026 against each maker’s own pages. Retenna is ours and not out yet: its column shows what it’s built to do.
What it doesRetennaRISESleep CycleOuraWHOOPGoogle HealthSleep Reset
Uses your sleep dataYesYesYesYesYesYesPartly
Works out how much sleep you needYesYesNot mentionedNot mentionedYesNot mentionedNot mentioned
Suggests when to go to bedYesYesPartlyYesYesYesNot mentioned
Shifts your bedtime before a long-haul flightYesPartlyNot mentionedPartlyPartlyNot mentionedNot mentioned
A coach you can ask in your own wordsYesPartlyYesYesYesYesYes
Remembers you, and lets you see and delete itYesNot mentionedPartlyYesYesYesNot mentioned
Sees your calendarYesPartlyNot mentionedNot mentionedNot mentionedNot mentionedNot mentioned
Eases your training after a short nightYesNot mentionedNot mentionedPartlyYesPartlyNot mentioned
Moves the plans that would cost you sleepYesNot mentionedNot mentionedNot mentionedNot mentionedNot mentionedNot mentioned
Plans your meals, training and days around your sleepYesNot mentionedNot mentionedPartlyPartlyPartlyNot mentioned
Your rules, with a reason and an Undo for every changeYesNot mentionedNot mentionedNot mentionedNot mentionedNot mentionedNot mentioned
A full space for the rest of your life tooYesNot mentionedNot mentionedNot mentionedNot mentionedNot mentionedNot mentioned
Yes
The maker documents it. Sleep Reset’s coach is a person, not AI.
Partly
A lighter or narrower version: a sleep diary you fill in, a bedtime goal you set yourself, help once you’ve crossed time zones rather than before you go, AI coaching as a paid extra, a memory you can’t see or edit, energy blocks written to your calendar, guidance you act on yourself, or sleep and training in one app without your meals and days.
Dash
Not mentioned in the maker’s own materials.

That’s the difference that matters for sleep. A coach that only sees your nights can explain them. Retenna’s wellbeing coach looks after your rest, sleep and energy, and shares one picture of your week with your trainer, your nutritionist, your planner and the rest of your experts. It works out how much sleep you need from your own nights. So a hard week on your watch eases tomorrow’s workout, meals and evening, dinner comes earlier and lighter on the nights that matter, the night before a big day is protected days ahead, and a long-haul flight starts with your bedtime moving before you leave, with a reason for every change.

An interview, a late party and two short nights, planned around your sleep

Here’s a week as Retenna is built to plan it. You have an interview on Thursday at 10:00, 40 minutes away, and Jess’s 30th on Saturday, which will run past 01:00. You’ve slept 5 h 40 and 5 h 55 the last two nights, against the 7 h 45 it has worked out you need. Over the months, it has learned that you sleep badly before big days, 4 times out of your last 5, that big, late dinners cost you sleep, that after two short nights you cut hard sessions short, and that hard sessions leave you flat the next morning.

Monday · planned to Sunday

An easy run today, interview prep on Tuesday, a walk and an earlier, lighter dinner on Wednesday, a wind-down and a 07:00 alarm before the interview, an early night on Friday and a slow Sunday.

Why: Wednesday and Friday are the two nights that matter this week, and both are easy to lose.

Done for you

Each change comes as its own note, with the reason it gives you:

Monday 07:00 · your trainer

Intervals swapped for an easy 5 km.

Why: 5 h 40 and 5 h 55 the last two nights, against the 7 h 45 you need, and after two short nights you cut hard sessions short.

Done for you

Tuesday 18:00 · with Jo

A 30-minute practice run with Jo, before your prep.

Why: Jo hires people for a living, and offered to help.

Waits for your yes

Wednesday 18:30 · your nutritionist

A lighter dinner, and earlier: 18:30 instead of your usual 20:30.

Why: big, late dinners cost you sleep, 4 of your last 5 times, and tonight is the night that matters.

Done for you

Wednesday 21:30 · the night before

A wind-down, and an alarm for 07:00. Your 18:00 HIIT class is now a 30-minute walk.

Why: you sleep badly before big days, and hard sessions leave you flat the next morning.

Done for you

Friday 22:30 · before a late one

An early night.

Why: you’ll be out past 01:00 on Saturday.

Done for you

Sunday · after the party

Kept clear, with a slow morning and nothing planned.

Why: you won’t be home until after one.

Done for you

Around those notes, the rest of the team fits in. Prep goes on Tuesday at 19:00, with a one-page brief on the company and the people interviewing you, because working late the night before would cost you sleep. Your stylist picks the charcoal suit on Wednesday night, so there’s nothing to decide in the morning, your nutritionist plans a light breakfast at 07:30, because you skip breakfast when you’re nervous, and the 08:52 train gets you there with 25 minutes to spare, because the 09:22 was late four times this month. On Thursday, all you have to do is walk in.

When you catch a coldTwo weeks before your first 10k, Tuesday’s intervals become an easy 20 minutes, Thursday’s run becomes rest and a short walk, and lights out is 22:00 until Friday. Telling your running club you’ll miss Thursday waits for your yes, because it involves them. There’s more on how your trainer works around your week in our AI personal trainer guide.

Before a long-haul flightWhere sleep apps help with jet lag, it’s mostly once you’ve landed: RISE moves its bedtime window as you settle into local time, Oura explains a lower score after a long flight, and WHOOP adjusts its sleep consistency score for the new time zone. Retenna starts before you go. You fly to New York on Monday afternoon:

Thursday · 4 days before your flight

Bedtime moves 30 minutes later each night from Friday, to midnight by Sunday, and your alarm moves with it.

Why: New York is five hours behind, and shifting a little before you go is easier than all at once when you land. Your weekend mornings are free.

Done for you

How it learns your sleep, and how you shape it

Retenna learns from what you do, what you choose and what you tell it, and keeps it in one living model of you that every expert shares. Your sleep comes from the health apps and wearables you already use. The rest comes from your calendar, your evening check-ins and how your days actually go.

  1. Day oneIt asks. What to connect, what’s coming up and how you’d like it to help, and it checks with you before it plans anything.
  2. Within weeksIt suggests. “An early night on Friday, before Jess’s 30th?” You say yes, or choose something else.
  3. In timeIt decides the way you would. The nights that matter are protected first, days ahead, with the reason and an Undo.

Over the months, it builds up the patterns no sleep score shows you, because they’re about your days as much as your nights:

  • How much sleep you need. “About 7 h 45”, worked out from your own nights and how your days go after them, not an average from a chart.
  • Before big days. “You sleep badly before big days”, 4 of your last 5.
  • After late dinners. “Big, late dinners cost you sleep”, 4 of your last 5 times.
  • In busy weeks. “Big work weeks end in short nights”, from 4 months of sleep.
  • In the evening. “Chores after 21:00 leave you wired at bedtime”, from your evening check-ins.
  • After short nights. “After two short nights, you cut hard sessions short”, 3 of your last 4 times.
  • After travelling. “You’re flat after travelling”, so the first evening away stays quiet.

Your rulesYou choose what it simply does and tells you about after, and what waits for your yes. A wind-down, an alarm or an early night can just happen. New spending can ask first, and anything that involves another person, like moving drinks with a friend, always asks first.

Undo teaches itEvery plan comes with the reason and an Undo, and it notices what you undo. Keep undoing the wind-down it plans for Friday nights, and it suggests a rule:

Retenna noticed · 3 of the last 3 Fridays

Ask first before planning a wind-down on a Friday?

Why: you’ve undone it every Friday this month.

Waits for your yes

See, change or forgetYou can see everything it has learned about your sleep, and change or forget any of it. If “you sleep badly before big days” stops being true, tell it, and it plans from the new you.

How to choose an AI sleep app

If you want to understand your nights, one of these will do it well. If you want the day planned so that you get the night, that’s Retenna, and it’s built to work alongside the tracker you already wear.

For understanding your sleep

  • Sleep CycleTracking with just your phone, a smart alarm and an AI coach
  • RISEYour sleep debt, a bedtime window and your energy through the day
  • OuraDetailed nights from a ring, with an AI that remembers you
  • WHOOPTonight’s sleep need and a bedtime from a strap, with your training
  • Google HealthSleep from a Fitbit or Pixel Watch, with a coach built with Gemini
  • Sleep ResetA programme built on CBT for insomnia, with a human coach, in the US

For sleep, planned into your whole week

Ours · coming to iPhone, Android and the web

Retenna

A wellbeing coach that works out how much sleep you need, learns what costs you sleep, protects the nights that matter days ahead and moves your bedtime before a long-haul flight. It plans with your trainer, nutritionist, planner and the rest of your experts in one app, and reads your sleep from the tracker you already use.

  • Style
  • Beauty and grooming
  • Training
  • Food
  • Rest
  • Days, occasions and trips
  • Shopping
  • The people you love
Get early access

What to check before you trust one

  • What happens to your sleep data. Your nights, your heart rate and the sounds of your bedroom are personal. Check where they go, who can see them and whether you can delete them, including anything the app has learned.
  • Training and human review. Sleep Cycle trains its sound models on short audio clips if you agree, and people may review them. Oura’s policy lets it use your data to develop its own AI. WHOOP lets you switch Coach to general advice that doesn’t use your data. Retenna’s answer is simple: your information is never used to train public AI models, and what it learns from you stays with your account.
  • Advertising. RISE says it doesn’t sell your data, and Google says your health data is all for you, not for ads. Look for a clear answer.
  • What a score is. A sleep score, a chart of your sleep stages or a snoring count is an estimate, not a sleep test. RISE says its predictions can miss what it can’t track, like caffeine, medication and exercise, and RISE, Oura, WHOOP and Google all say their apps don’t diagnose anything.

When to see a doctor instead of an app

None of these apps diagnoses a sleep problem, and that includes Retenna. A coach can help with a busy week, but it can’t rule out a condition. The NHS, a third-party source, gives clear signs that it’s time to see a GP.

See your GP or doctor if

  1. It’s been months. You’ve had trouble sleeping for months, or changing your sleep habits hasn’t helped.
  2. It’s hard to cope. Poor sleep is affecting your daily life in a way that makes it hard to cope.
  3. Your breathing stops and starts. You, or someone who sleeps near you, notice your breathing stopping and starting, gasping, snorting or choking noises, or loud snoring.
  4. You’re tired all day. You always feel very tired during the day.

Insomnia that lasts three months or more is called long-term insomnia, and you may be offered CBT, face to face or as an online self-help programme. The NHS says GPs now rarely prescribe sleeping pills for it. Breathing that stops and starts in your sleep can be a sign of sleep apnoea, which needs a proper test: a snoring count isn’t one. If you can, take someone who has seen your symptoms with you. Don’t change any sleep medication without talking to your doctor, and if worry or low mood is keeping you awake, talk to your GP or a qualified professional.

How Retenna’s wellbeing coach helps you sleep

About Retenna · that’s us

Every lifestyle expert, one mind that knows you.

Its wellbeing coach looks after your rest, sleep and energy. It works out how much sleep you need from your own nights, reading them from the health apps and wearables you already use, such as Apple Health, Health Connect and Samsung Health, alongside your calendar, your evening check-ins and your training. When an interview lands on Thursday, it moves your prep to Tuesday, swaps Wednesday’s HIIT for a walk, brings dinner earlier and lighter, and plans a wind-down at 21:30 and an alarm for 07:00, because you sleep badly before big days. Before a long-haul flight, it moves your bedtime a little each night before you go. You see why it planned each one, and you can undo any of it.

It isn’t a doctor, a sleep clinic or a therapist, and it doesn’t diagnose anything. It looks after the practical side of sleep: your evenings, your early nights and the days around them. Health questions are for your GP or another professional, and Retenna’s health features are for adults aged 18 and over.

And your wellbeing coach is one of a team, in one complete app.

What makes Retenna different

  1. Every expert, in one app. A stylist, a beauty and grooming expert, a personal trainer, a nutritionist, a wellbeing coach, a planner for your days, occasions and trips, and a personal shopper, each with a full space of its own. They remember what matters to the people you love, and an assistant runs through all of them.
  2. One living model of you. It learns from what you do, what you choose and what you tell it. On day one it asks; soon it suggests; in time it decides the way you would. You can see, change or forget any of it.
  3. Every expert plans together. They share one picture of your week, so a change in one reshapes the rest: leg day moves, so dinner is ready that night; brows move, so any redness settles before the party.
  4. Everything inside your rules. You choose what it simply does and what waits for your yes. Every plan comes with the reason and an Undo, and anything that involves another person always asks first.

Retenna is coming to iPhone, Android and the web, and early access is open now.

Get early access

Questions

What’s the best AI sleep app?

It depends on what you want from it. To track your sleep with just your phone, Sleep Cycle. For sleep debt and your energy through the day, RISE. For detailed nights from a wearable and an AI coach that knows your numbers, Oura, WHOOP or Google Health, depending on whether you’d wear a ring, a strap or a watch. For insomnia, see your GP; Sleep Reset offers a programme built on CBT for insomnia, with human coaches, in the US. If you want the day planned so that you get the night, from an earlier dinner to a bedtime moved before a long flight, that’s what Retenna is built for.

What does an AI sleep coach actually do?

Most read your tracked nights and answer questions about them: why you slept badly, what to change and when to go to bed. Sleep Cycle’s Luma, RISE’s AI Expert, Oura’s Advisor, WHOOP Coach and Google Health Coach all work this way. Retenna’s wellbeing coach also plans your evenings, meals and training with your other experts, so the sleep isn’t lost in the first place.

Do I need a wearable for an AI sleep coach?

No. Sleep Cycle and RISE can track you with your phone, though RISE says a wearable can be more accurate. Oura, WHOOP and Google Health Coach need their own ring, strap or watch. Retenna is built to read your health from your phone, or from any watch or wearable that shares its sleep with Apple Health, Health Connect or Samsung Health, so you can keep the one you have.

Can an AI sleep coach help with jet lag?

Where sleep apps help, it’s mostly once you’ve landed. RISE moves its bedtime window as you settle into local time, Oura’s Jet Lag Aware Readiness explains a lower score after a long flight, and WHOOP adjusts its sleep consistency score for the new time zone. Sleep Cycle and Google Health don’t mention jet lag in their own help pages. Retenna is built to start before you go: it moves your bedtime a little each night ahead of a long-haul flight, with your alarm, around your calendar. If you take medication at set times, ask your doctor or pharmacist how to time it across time zones.

Can an AI sleep app help with insomnia?

It can help with habits, but if you’ve had trouble sleeping for months, or it’s making it hard to cope, see your GP. The NHS says you may be offered CBT, face to face or online. Sleep Reset is a programme built on CBT for insomnia, with human coaches rather than AI, mainly for the US. Retenna isn’t a treatment for insomnia, and it doesn’t diagnose anything.

Can a sleep tracker tell if I have sleep apnoea?

Not on its own. Sleep Cycle can pick up snoring, and wearables track your breathing, but a snoring count or a chart isn’t a test. Of the apps we compared, only Sleep Reset mentions testing for sleep apnoea, through its clinicians in the US. If you or a partner notice your breathing stopping and starting, gasping or loud snoring, or you always feel very tired during the day, see your GP.

What does Retenna use to plan my sleep?

What you do, what you choose and what you tell it. It works out how much sleep you need from your own nights, and it’s built to read your sleep from the health apps and wearables you already use, such as Apple Health, Health Connect and Samsung Health, and to connect to your calendars, such as Google or Outlook, along with your evening check-ins and your training. You choose what to connect and how much it sees.

Is my sleep data private with Retenna?

Your Retenna is private to you. Everything it knows is locked to your account and walled off from everyone else’s, on Microsoft Azure’s secure cloud, encrypted when stored and on the way. You can see, correct, export or delete what Retenna holds about you, including anything it has learned. If you turn learning on, it learns from what you do and tell it to personalise your own experience, and what it learns stays with your account, never used for anyone else. We never use your information to train public AI models. We never sell your information, and detailed analytics and personalised ads are optional, for adults only, and off unless you say yes. Health features are for adults aged 18 and over.

Is Retenna’s sleep advice medical advice?

No. Retenna’s wellbeing coach isn’t a doctor, a sleep clinic or a therapist, and neither are the apps we compared. It plans the practical side of sleep, like your evenings, your early nights and the day after a short one. For anything that worries you about your sleep or your health, see your GP.

In short

A sleep app can tell you how you slept and when to go to bed, and the best of them now have an AI coach that knows your numbers. A good AI sleep coach does something harder: it protects the night before it’s lost, by moving the prep, easing the workout and keeping the evening clear, and it tells you why. It works best with your trainer, nutritionist and planner, and it knows when it’s a job for a doctor.

Sources

Checked 23 October 2026, except where noted. Ratings are from Apple’s App Store; everything else is from each maker’s own pages, apart from the NHS health guidance.

Spotted something out of date? Email [email protected] and we’ll fix it.