Rest smarter. Nap on time.
Dozy
Find a nap routine that works for you.
Dozy reads your sleep and tells you exactly how much rest you owe yourself — then finds the perfect nap to catch up. Powered entirely by Apple Health.
days of sleep history analyzed
on-device — nothing leaves your phone
nap credit toward your debt
Gets you resting. Keeps you sharp.
Sleep Debt
Your accumulated shortfall over the last two weeks, in plain numbers. Tap any day to see exactly how you slept.
Nap
A personalized nap length based on how much rest you owe — grounded in sleep science that favors short, effective naps.
Restore
Finish a nap and Dozy logs it back to Apple Health, crediting your recovery so your sleep debt actually goes down.
Summary
Your sleep, at a glance.
Sleep debt, today’s nap window, and last night’s restorative sleep — three rings and three numbers that tell you how rested you really are.
Sleep Debt
Know exactly what you owe.
Dozy adds up your shortfall night after night and shows it in plain numbers. Tap any day to see exactly how you slept.
Nap Window
Catch up with the right nap.
When you’re running low, Dozy finds the right length at the right time — so you recover without wrecking tonight’s sleep.
Restorative
See the sleep that repairs you.
Deep and REM — the stages that actually repair you — broken down so you know how recovered you really are.
Privacy first
Your sleep data never leaves your device.
- Health data stays on your device
- Seamless iCloud sync
- No data uploads, ever
- No ads, no tracking
Frequently asked questions
Dozy lives on your iPhone. Connect Apple Health once, and your Home tab shows your sleep debt, today’s nap window, and last night’s restorative sleep.
No. Dozy works with iPhone and Apple Health alone. With Apple Watch, you can start naps from your wrist and feel a gentle tap when it’s time to wake.
Dozy reads sleep analysis from Apple Health — stages, duration, and timing — to calculate your sleep debt and the right nap to recover.
Dozy weighs how much rest you owe and the time of day, favoring short, effective naps that help you catch up without wrecking tonight’s sleep.
Yes. Start a nap and Dozy counts down, then wakes you with a gentle tap — no jarring alarm — and credits the rest toward your sleep debt.
Yes. Every calculation happens on your device. Your health data never leaves it for us — no ads, no analytics on your health, nothing to sell.