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關於「National Sleep Foundation」標籤，搜尋引擎有相關的訊息討論：
延伸文章資訊
- 1The Best Time To Go to Sleep - Cleveland Clinic Health Essentials
- 2Sleep Calculator: Optimize Your Sleep Schedule - The Sleep Doctor
- 3Sleep Calculator - The Sleep Charity
If you need to wake up by 7am then count back 7.5 hours to find that bedtime is around 11.30pm. M...
- 4I Tried This 90-Min Wake Up Hack for a Week — Here's What Happened
- 5Sleep calculator: How to get enough sleep - Medical News Today
