Settings
Your routine, data, and privacy
Language
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Sleep routine
Your sleep plan counts backward from this daily out-of-bed time. Consistency matters more than choosing a perfect time.
Getting started
Revisit the short introduction to the diary, fixed wake time, and 7-night CBT-I baseline.
Cross-device cloud sync
Your diary is encrypted in the browser before it is stored in Cloudflare D1. Enter the same sync key on your phone to connect it.
Already have a key
Data & privacy
Your sleep diary currently stays in this browser and is not uploaded.
0 records stored
About this diary
Sleep efficiency is estimated from the information you record. It does not measure sleep stages or replace a sleep study.
If sleep problems are severe, persistent, or linked to safety concerns, consider discussing them with a qualified healthcare professional.