Sleep Cycle Calculator
Find the best bedtime or wake time based on 90-min sleep cycles.
Best bedtimes to wake refreshed
- 10:35 PM9 hrs sleep · 6 cycles
- 12:05 AM7.5 hrs sleep · 5 cycles
- 01:35 AM6 hrs sleep · 4 cycles
- 03:05 AM4.5 hrs sleep · 3 cycles
- 04:35 AM3 hrs sleep · 2 cycles
- 06:05 AM1.5 hrs sleep · 1 cycle
Sleep cycles are ~90 min on average. Waking at the end of a cycle (light sleep) leaves you refreshed; waking mid-cycle (deep sleep) leaves you groggy.
关于此工具
Enter when you need to wake up, get 4 suggested bedtimes. Or enter a bedtime and get wake-up options that end on a cycle.
相关工具
更多可能对您有用的健康与健身。
其他分类
在找别的工具?浏览目录中的其他内容。
赞助推荐
- Like this site? You'll love our weekly newsletter
One new tool, one fresh Reddit pain point, every Friday. No spam.
以下部分链接为联盟推广链接。如果您通过这些链接购买,我们可能会获得佣金,您无需支付任何额外费用。