可以正向也做一个吗
现在是起床时间倒推上床时间，都是有时候也需要正向推，这个可以开发一下吗
有可以深化的地方
想问下开发者 是否能够同步闹钟功能呢？3块付费使用的只是一个时钟的动态效果吗？
Response from developer
您好，我研究下苹果有没有同步闹钟的接口，这个可能是没有开放。我这边自己使用是用“睡眠｜起床闹钟”这个功能是可以同步数据到“健康”，能够被app读取到
Free
In-App Purchases
About
This app helps you manage your sleep cycle using the scientifically-backed R90 method. It calculates your optimal sleep schedule based on natural biological rhythms to improve sleep quality by focusing on completing 90-minute cycles.
✓Calculate optimal sleep schedule
✓Track completed sleep cycles
✓Record sleep patterns automatically
✓Smart bedtime and wake time calculations
✓Weekly cycle goal tracking
✓Integrates with HealthKit
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What's New in R90 sleep assistant
2.0
February 12, 2026
- Get smart wake time suggestions based on your past month's sleep patterns - Delete sleep records with automatic Apple Health sync - New bedtime reminders with customizable advance notice - Enhanced HealthKit integration with more accurate sleep data reading
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In-App Purchases
$1.99
Fully unlocked
Used to unlock all the features of this APP
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FAQ
What is the R90 sleep assistant?
R90 sleep assistant is an application designed to help users manage their sleep cycles using the R90 method. This method focuses on completing 90-minute sleep cycles, which are believed to be crucial for optimal sleep quality.
How does R90 sleep assistant work?
The app calculates your optimal sleep schedule based on your body's natural biological rhythms and the R90 method principles. It provides timely reminders and tracks your weekly sleep cycles to help you achieve your goals.
What is the R90 method?
The R90 method, developed by a sports sleep coach, is based on the human body's natural 90-minute sleep cycles (alternating REM and non-REM sleep). It suggests that sleep quality is determined by completing these cycles rather than just duration.
Can R90 sleep assistant integrate with other health apps?
Yes, R90 sleep assistant integrates with HealthKit to read and write sleep data. This integration requires user permission for optimal functionality and allows for a more comprehensive view of your health data.
What is the target sleep cycle goal per week?
The optimal R90 sleep pattern aims for 35 completed sleep cycles per week. The app helps you track your progress towards this weekly goal.
Is R90 sleep assistant free to use?
R90 sleep assistant is available for free. However, it does offer in-app purchases, which may unlock additional features or content.
What devices does R90 sleep assistant support?
R90 sleep assistant currently supports iPhone devices. It is designed to work with the iOS operating system.
When was R90 sleep assistant last updated?
The latest version of R90 sleep assistant was updated on February 12, 2026. This indicates ongoing development and support for the application.
