Best The Sleep Diary Apps

239+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated September 2026

With an average user rating of 4.2★, the the sleep diary category is one of the App Store's strongest. Browse all 239+ apps we track, sorted so the most loved ones surface first.

Compare top The Sleep Diary Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1The Sleep DiaryThe Sleep DiaryFree1.0★ (7)NoNoMay 2026
2Sleep Diary AppSleep Diary AppFree3.5★ (23)NoYesMay 2026
3Sleep Tracker: Sleep DiarySleep Tracker: Sleep DiaryFreeNoYesAug 2026
4Sleep Diary & Bedtime TrackerSleep Diary & Bedtime TrackerFreeYesNoSep 2026
5Easy Sleep DiaryEasy Sleep DiaryFree3.8★ (15)NoNoMay 2026
6Baby Diary: Sleep+Baby Diary: Sleep+Free was $8.994.8★ (146)YesYesSep 2026
7Restful: CBT-i Insomnia DiaryRestful: CBT-i Insomnia DiaryFree4.6★ (233)NoYesSep 2026
8SleepSleepFree4.3★ (9.6K)YesYesSep 2026

Top Picks for The Sleep Diary

The Sleep Diary#1

The Sleep Diary by Anne Richards

Sleep Research & Clinical Tool
Editor's Choice
🏥 Medical
1.0(7 ratings)
Free
The Sleep Diary screenshot 1
The Sleep Diary screenshot 2
The Sleep Diary screenshot 3

This app collects sleep-related symptoms and behaviors for research participants. Access is restricted to those enrolled in studies by Dr. Anne Richards at the San Francisco VA Medical Center, requiring a unique login. It offers daily assessments, a calendar for missed entries, and data summaries.

Sleep Diary App#2

Sleep Diary App by Alexander Ivanov

Journal with Bedtime Reminders
Strong Contender
💪 Health & Fitness
3.5(23 ratings)
FreeIn-App Purchases
Sleep Diary App screenshot 1
Sleep Diary App screenshot 2
Sleep Diary App screenshot 3

Easily log your sleep durations to analyze your health and become more conscious of your sleep patterns. This app integrates with Apple Health to share your sleep data seamlessly. iPhone 6 users can also track atmospheric pressure changes during sleep.

More The Sleep Diary apps to explore

FAQ about The Sleep Diary

What are the best the sleep diary apps for iPhone?
The Sleep Diary tops our the sleep diary apps ranking as of September 2026, with a 1.0-star average from 7 App Store ratings, and it's free to download.
Yes — 20 of the top the sleep diary apps we rank are free to download, including The Sleep Diary and Sleep Diary App.
The Sleep Diary has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 239+ the sleep diary apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Access to The Sleep Diary is strictly limited to participants enrolled in research studies conducted by Dr. Anne Richards at the San Francisco VA Medical Center. You will receive a unique Login ID and Password from the research staff if you are eligible and enrolled.
The Sleep Diary collects information about your sleep-related symptoms and behaviors through daily assessments. It does not record personally identifiable information such as your name or birthday. Only research staff have access to the collected data.