Sleep as Android: Smart alarm

Contains adsIn-app purchases
369K reviews
Editors' Choice
Content rating
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About this app

Smart alarm clock with sleep cycle tracking. Wakes you gently in optimal moment for pleasant mornings.

Sleep as Android is a swissknife tool for your sleep.

Enjoy 2 weeks premium then keep freemium or upgrade.



✓ 12 years experience

✓ Validated algorithms

✓ Get to bed on time with Bedtime notification

✓ Smart wake up feels natural!

✓ Sonar contact-less tracking: No need for phone in bed!

✓ AI-powered sound recognition: Anti-snoring, Sleep talk, Sickness

✓ Nature sound lullabies

✓ Sleep respiration analysis with low breath rate alarm

✓ Lucid dreaming, Anti-Jetlag...


✓ Alarm clock with all the features

✓ Gentle alarm sounds

✓ Spotify songs or playlists

✓ Sunrise alarm

✓ Never oversleep again: CAPTCHA tasks, Snooze limit


✓ Sleep Score: deficit, regularity, efficiency, phases, snoring, breath rate, SPO2, HRV

✓ Trends, Tags, Chronotype detection and Advice

✓ Privacy first


✓ Wearables: Pixel Watch, Galaxy Watch, Wear OS, Galaxy/Gear (Tizen), Garmin (ConnectIQ), Mi Band + Amazfit + Zepp (needs 3rd party app), Polar (H10, OH10, Sense), FitBit (Ionic, Sense, Versa), PineTime, Pebble

✓ Spotify

✓ Smartlight: Sunrisewake up with Philips HUE, IKEA TRÅDFRI

✓ Automation: IFTTT, MQTT, Tasker or custom Webhooks

✓ Services: Google Fit, Samsung Health, Health Connect

✓ Backup: SleepCloud, Google Drive, DropBox

Quick start

Video tutorial



Permissions explained

See how we do contact-less sleep and breath tracking with Sonar

How we designed our neural networks for sleep sound classification

Watch our latest smartwatch integration progress
Wearables and Wear OS

We integrates with Wear OS and many other Wearable platforms (Garmin, Polar, FitBit, Galaxy Watch, Zepp,Mi Band...). You can install Sleep as Android on your watch and use its sensors for more precise sleep tracking. On Wear OS you can use a Wear OS Tile to start / stop or pause sleep tracking and check you progress without the need to interact with your phone.

Accessibility Service

The app features a series of alarm tasks called CAPCTHA which make sure you do not oversleep. Completing tasks like sheep counting, math equations or scanning a bar-code on your toothpaste will make sure you are fully awake and ready for your morning.

To make sure you won\'t sleep through your duties the app may use an Accessibility Service to prevent you from force stopping the app or turning off the device (cheating) before completing the alarm tasks (CAPTCHA). No private information are collected.

Device Admin

This app may use the Device Administrator permission.
The reason is effective CAPTCHA (a feature to make sure you wake up in the morning) so you cannot avoid alarms by uninstalling the app during an alarm.

Health disclaimer

Sleep as Android is not intended for medical use, but instead to improve general fitness and well-being especially in terms of better sleep. Any oxygen saturation tracking is performed with compatible oximeter devices such as the TicWatch 3 Pro, BerryMed oximeters... more at

Many thanks to our users for using and supporting this apps!
Updated on
Oct 3, 2023

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, Health and fitness and 2 others
This app may collect these data types
Location, Health and fitness and 3 others
Data is encrypted in transit
Data can’t be deleted

Ratings and reviews

355K reviews
Tim S.
July 13, 2023
Bought the full version many years (and devices) ago, it works exactly as described and is updated often. It definitely works better if you sleep in a low noise environment. It supports integration with popular health monitoring devices and apps. Well worth checking out, and the premium version is a lifetime license. This is a purchase I have never regretted. Of course there's additional paid plugins and services, but the basic functions of the free/paid version should be enough for people...
57 people found this review helpful
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Amanda Rogers
August 28, 2023
So it's a nice concept, but I'm not convinced the smart alarm actually works. It goes off half an hour before my set alarm every day. I have been woken up out of deep sleep too many times, and yes, I do position in correctly. I already tried trouble shooting this as human error. For something I pay a monthly fee for, it's just not working for the one thing I wanted from it. I'm going to cancel my subscription and try a different app.
17 people found this review helpful
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Urbandroid (Petr Nálevka)
August 29, 2023
Hello Amanda, the smart alarm sensitivity can be fine-tuned, but it the majority of cases, this happens only if the data set it not correct. Please, use the Left ≡ menu → (?) Support → Report a bug, and we will check what your data looks like. Thank you.
May 21, 2023
It's hard because when the app works it's wonderful. But for some reason, today my alarms didn't go off. And I didn't do anything different! I hate when the trust gets broken because how do I know it won't happen again tomorrow?? 😪 Edit: I've made sure every permission, and 'deep sleep' settings are correct. STILL randomly goes off hours after alarm, or not at all. It doesn't say 'missed alarm' so who knows if it even went off.
52 people found this review helpful
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Urbandroid (Petr Nálevka)
May 22, 2023
Hello Krystal, is it possible you enabled POWER NAP smart period for the alarm as your waking up method? This is a special method that goes off up to one hour after alarm time. Check your smart period set up in Settings → Alarms, and also in per-alarm settings for each alarm.

What's new

We are constantly improving this app with several updates monthly. Bringing timely fixes and new features you ask for. Detailed release notes at: