Sleep & nap records
Start a session when you go to bed or take a nap and review the completed record afterward.
NiceSleep: Sleep TrackerAndroid & iOS · Health & Fitness
Understand your rest
See the patterns behind your nights.
Record sleep and naps, review estimated stages and sound events, add context to each night, and follow changes over time.
What it does
A clearer record of how you rest.
NiceSleep turns a tracking session into a record you can review: duration, estimated stages, detected sound events, your own notes, and longer-term trends.
Estimated stages
See estimated light, deep, awake, and REM periods as a personal trend—not a clinical measurement.
Sound events
When microphone access is granted, on-device analysis can detect events such as snoring, talking, coughing, or other noise.
Notes with context
Add the details that matter to you, such as a late workout, caffeine, or a changed bedtime routine.
Weekly & monthly trends
Look beyond one night to notice changes in sleep duration, timing, and estimated quality.
Optional health sync
With permission, supported sleep-session records can be read from or written to Health Connect or Apple Health.
How it works
From bedtime to a useful trend.
You stay in control of when tracking starts, which permissions are granted, and whether any optional cloud backup is enabled.
Prepare your session
Choose sleep or nap tracking, add optional context, and grant microphone access only if you want sound-event detection.
Let the phone record
Keep the phone positioned as directed in the app. NiceSleep processes audio signals on the device to estimate events and stages.
Review and compare
Open the completed record, listen to clips you chose to save, and compare weekly or monthly patterns.
Good to know
Useful estimates, with clear limits.
- No smartwatch is required, and NiceSleep does not promise direct compatibility with every wearable.
- Health Connect and Apple Health support is permission-based and depends on the records available through those services.
- Microphone access is needed only for sound-based tracking features.
- Sleep stages, scores, and sound events are estimates for general wellness.
- NiceSleep is not a medical device and cannot diagnose a sleep disorder.
Your sleep record, your choices.
Sleep records and saved clips remain on your device by default. Optional health access, analytics choices, advertising consent, and cloud backup are explained in the full policy.
Frequently asked
Before you start tracking.
Straight answers about devices, health services, recordings, backup, and the meaning of sleep estimates.
Does NiceSleep require a smartwatch?
No. NiceSleep can track a session using your phone. It does not directly connect to every smartwatch.
Can NiceSleep use Health Connect or Apple Health?
With your permission, NiceSleep can read and write supported sleep-session records through Health Connect on Android or Apple Health on iOS. Availability depends on your device, operating system, and the data those services provide.
Are NiceSleep sleep stages a medical measurement?
No. Sleep stages, scores, and sound events are estimates for general wellness and personal trend tracking. NiceSleep is not a medical device.
Where are sleep recordings stored?
Sleep data and saved sound clips stay on your device by default. A recording leaves your device only when you explicitly share it or include eligible favorite recordings in an enabled cloud backup.
Does NiceSleep support cloud backup?
Cloud backup is optional and off until you enable it. Android uses the app's private Google Drive app-data folder; iOS uses a private iCloud database.
Can NiceSleep diagnose a sleep disorder?
No. NiceSleep cannot diagnose, treat, cure, or prevent a medical condition. Consult a qualified healthcare professional for medical concerns.
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