Sleep tracker and sleep diary
Rate last night each morning, keep a bedtime plan and see your last two weeks.
Coming soonAndroid
Scan with your phone camera to open the App Store.- Free
- Choose the trackers that fit your day.
- Create an account to start your journal.
How it works
How to track your sleep
Each morning, note how you slept: one night, one entry.
Rate the night each morning
With one tap, mark whether you slept poorly, okay or well.
Set a bedtime plan
Choose when you want to go to bed and wake up. A reminder can come 30 minutes before bed.
See your two weeks
Your last seven nights at a glance, a 14-night summary and how it links with your mood.
What's in the sleep tracker
One question each morning
A single tap rates last night. If you have a plan, yuuvii also asks whether you kept to it.
A bedtime plan
Choose when you want to go to bed and wake up. A wind-down reminder can come 30 minutes before bed.
Your last two weeks
The last seven nights at a glance and a summary of the last fourteen.
Sleep next to your mood
Your mood journal shows the link between how you slept and how you felt.
Privacy
Your journal, mood, cycle and tracker records, including saved step counts, are stored on your device. When account backup is available and you are signed in, the app also sends an encrypted copy to our servers to restore and merge your records.
Privacy policyBlog
Articles on sleep
Questions
Sleep tracker is part of your yuuvii account. Choose it from your trackers.
Your journal, mood, cycle and tracker records, including saved step counts, are stored on your device. When account backup is available and you are signed in, the app also sends an encrypted copy to our servers to restore and merge your records.
No. You rate each night yourself, so there is nothing to wear.
Optional ones: a wind-down note 30 minutes before bed, a morning question an hour after you wake, and short weekly notes. You can turn each one off.
Android is coming soon. You can download yuuvii for iPhone from the App Store.
Last updated: Nov 12, 2026 · How we write
Sleep tracker
Rate last night each morning, keep a bedtime plan and see your last two weeks.
Coming soonAndroidScan with your phone camera to open the App Store.In the same app
Every tracker is optional. Turn on the ones you need, all in one app.