Dozy Sleep

About this app

Dozy turns the sleep data you're already tracking into something you can act on. Most of us carry sleep debt without knowing how much. Dozy reads your sleep from Apple Health, adds up the shortfall night after night, and shows you a single honest number: how rested you actually are. Then it does something about it. When you're running low, Dozy recommends a nap, the right length, at the right time to help you catch up without wrecking tonight's sleep. Finish a nap and Dozy logs it back to Apple Health, so your recovery counts. WHAT DOZY SHOWS YOU Sleep Debt — your accumulated shortfall over the last two weeks, in plain numbers. Tap any day to see exactly how you slept. Nap Window — a personalized nap length based on how much rest you owe, grounded in sleep science that favors short, effective naps. Restorative Sleep — how much of last night was deep and REM, the stages that actually repair you. BUILT ON APPLE HEALTH Dozy works with the sleep data your iPhone and Apple Watch already collect. There's no extra tracking to set up, no account to feed, no servers. Every calculation happens on your device. A NAP TIMER THAT WAKES YOU GENTLY Start a nap from your iPhone or Apple Watch. Dozy counts down and wakes you with a gentle tap on the wrist, no jarring alarm, then credits the rest toward your sleep debt. PRIVATE BY DESIGN Your health data never leaves your device for us. Dozy has no ads, no analytics on your health data, and nothing to sell. What's yours stays yours. Rest smarter. Nap on time. Wake up sharp. Dozy requires access to Apple Health sleep data. Nap recovery estimates are for general wellness and are not medical advice.

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1. First observed Aug 20, 2026 · 1:29 AM Free