# Daily Sleep - Sleep Tracking — Track sleep and night habits

> Apple Watch sleep tracker with analysis and subjective feeling recording. (iPhone/iPad app by 兆扬 张.)

- Source: https://appshunter.io/ios/app/daily-sleep-sleep-tracking/id6754816307 (this page in markdown: same URL + `.md`)
- Developer: [兆扬 张](https://appshunter.io/developer/1800601675)
- Category: Health & Fitness, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 12.0 · 55 MB
- Languages: Chinese (Simplified, China), American English
- Released: 2025-11-23
- Data updated: 2026-08-22
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/daily-sleep-sleep-tracking/id6754816307/reviews.md

## What is Daily Sleep?

Daily Sleep is a sleep monitoring and analysis assistant for Apple Watch users. Sleep is crucial for everyone - not only should it be measured with scientific objective data, but your true feelings should also be valued.

- Do you often stay up late and want to monitor and improve your sleep habits?
- Getting enough sleep hours but still feeling tired during the day, not knowing what's wrong?
- Want to track long-term sleep trends and understand sleep regularity?
- Hope to see the entire month's sleep status at a glance through a calendar?
- Want to record sleep feelings and combine subjective with objective data analysis?
- Already own an Apple Watch and want to make better use of sleep monitoring data?
- Care about data privacy and don't want sleep data uploaded to the cloud?
- Dislike ad interruptions and need a clean user experience?

Whether you're a night owl, have poor sleep quality, or simply want to scientifically understand your sleep, Daily Sleep is your ideal choice.
Daily Sleep helps you fully understand your sleep status through multi-dimensional data visualization analysis, while providing sleep diary to record subjective feelings. Completely ad-free, data stored locally, protecting privacy and security.

【Scientific Sleep Scoring System】
- Integrates multiple indicators including sleep duration, sleep stages, fall-asleep speed, restorative sleep, and sleep regularity to quickly understand sleep quality through scoring
- Detailed sub-score display: sleep duration, sleep stages, sleep latency, restorative sleep, sleep regularity - clearly pinpoint problem areas
- After waking up each day, open the app to view last night's sleep score, stage analysis, regularity assessment and other detailed data

【Stay-up-Late Monitoring & Recording】
- Set bedtime goal, automatically identify and mark each stay-up-late behavior
- Display sleep regularity intuitively through scatter plots, helping you say goodbye to bedtime procrastination
- Sleep time regularity assessment to understand schedule stability

【Sleep Calendar with 6 Viewing Modes】
- Display entire month's sleep status in calendar form, marking sleep quality with different colored icons
- Switch between 6 viewing modes: sleep status, score, duration, bedtime, wake time, sleep latency
- See long-term trends at a glance, quickly discover sleep patterns and problems

【Continuous Data Trend Tracking】
- Weekly sleep bar chart: Shows score changes for the past 7 days, click any date to view details
- Monthly sleep line chart: Displays best/average/worst score baselines to understand overall trends
- Monthly sleep duration statistics: Shows longest/average/shortest sleep to assess sleep stability
- Sleep regularity scatter plot: Shows bedtime and wake time distribution, intuitively see regular or irregular schedules
- Track sleep change trends continuously for more effective understanding of sleep improvement

【Sleep Diary Recording Subjective Feelings】
- Record daily sleep feelings, dreams, and thoughts (up to 500 characters), combining objective data with subjective feelings
- Custom color tags to mark special days, displayed visually in calendar
- Discover connections between sleep and life events, find root causes affecting sleep

【Effortless Data Monitoring】
- Syncs with Apple Watch and Apple Health automatically, no manual operation needed
- Supports syncing historical data (180 days or 2 years), just wear watch to sleep for automatic recording

【Completely Ad-Free】
- No ads from start to finish - no banners, no pop-ups, no soft placements, no payment prompts, pure user experience

【Data Privacy & Security】
- All data 100% stored locally, not uploaded to any server
- Free, pure local storage, no uploads, ready to use
- No account registration required, authorization can be revoked anytime, your sleep data belongs only to you

## Key features

- Scientific sleep scoring system
- Stay-up-late monitoring
- Sleep calendar with 6 viewing modes
- Continuous data trend tracking
- Sleep diary for subjective feelings
- Local data storage

## Recent user reviews (5 of 5)

All indexed reviews: https://appshunter.io/ios/app/daily-sleep-sleep-tracking/id6754816307/reviews.md

### 2/5 — 兼容性太差

*2026-06-02*

iOS 12.5.8闪退

### 5/5 — 良心无广软件

*2026-05-25*

找了一圈，只想看一下每月睡觉时间，结果全部都要会员，无意间发现了这个！不知道大脑会不会开发小组件？感谢！

### 4/5 — 很好用很喜欢但是可以把睡眠日记的字数搞多一点不

*2026-04-10*

有时候不够写👀

### 2/5 — 为什么同步不了苹果手表健康数据

*2026-03-29*

设置都弄好了，数据来源也开放了，但是一直同步不了，删掉重新安装，手机关机都没用，怎么搞，再不行我只能放弃了

### 5/5 — 谢谢开发者，一个很好的软件

*2025-12-31*

整个界面很不错，分类很明确，没广告，宝藏软件

**Developer response:** 谢谢支持！能被你称为“宝藏软件”真的很开心

## Frequently asked questions about Daily Sleep

### Does Daily Sleep have ads?

No, Daily Sleep is completely ad-free, providing a clean user experience without interruptions.

### How does Daily Sleep score sleep quality?

Daily Sleep integrates multiple indicators including sleep duration, sleep stages, fall-asleep speed, restorative sleep, and sleep regularity to quickly understand sleep quality through scoring.

### Can I track my sleep trends over time with Daily Sleep?

Yes, Daily Sleep offers continuous data trend tracking with weekly bar charts, monthly line charts, and scatter plots to help you understand long-term sleep patterns.

### Is my sleep data private with Daily Sleep?

Yes, Daily Sleep prioritizes data privacy and security by storing all sleep data locally on your device, not uploading it to the cloud.

### What devices is Daily Sleep compatible with?

Daily Sleep is designed for Apple Watch users and is compatible with iPhone, iPad, and iPod devices.

### How often is Daily Sleep updated?

The app was last updated on November 24, 2025, indicating recent development and support.

### Can I record how I feel about my sleep with Daily Sleep?

Yes, Daily Sleep includes a sleep diary feature that allows you to record your subjective feelings, dreams, and other daily sleep-related experiences.

### What age rating does Daily Sleep have?

Daily Sleep has an age rating of 4+, making it suitable for a wide range of users.

## Version history (last 1 release)

### 1.0 — 2025-11-24

No release notes.

## More apps by 兆扬 张

- [Smart QR Code Barcode Scanner](https://appshunter.io/ios/app/smart-qr-code-barcode-scanner/id6742935802)
- [LED Scroller - Message Display](https://appshunter.io/ios/app/led-scroller-message-display/id6742936254)
- [Happy Sudoku-Sudoku Game](https://appshunter.io/ios/app/happy-sudoku-sudoku-game/id6747108929)

All apps by 兆扬 张: https://appshunter.io/developer/1800601675

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-22.*