Sleep revolution - find the right length of rest

1. Sleep cycle

90min For a cycle
30min NEM
30min EM（ Deep sleep , Determining sleep quality ）
30min REM

2. Time Table

Bedtime preparation +N A cycle

3. myth

3.1
This part comes from

https://www.zhihu.com/org/shao-shu-pai-46

3.2 Once you've passed the established wake-up clock , It has little effect on sleep , Be sure to wake up and wake up , Then go to sleep , Recalculate sleep cycles
3.3 Take one week as a cycle , Calculate your sleep cycle , Not by day , So even if someone N Days sleep cycle is less , You can increase the sleep cycle of other days through the current cycle .
3.4 Increase rest time instead of sleep cycles , At noon 1-3 or 5-7, Use a period of time to supplement your rest

4. skill

This part refers to

https://book.douban.com/review/5658664/

5. Suitable rest time

Average first 5 A cycle （ namely 7.5h） Try , Plus sleep preparation 30min. Adjust according to your personal situation , But it is adjusted in one cycle （ increase 1.5h Or shorten 1.5h）

7.5h：11.30-07.00
6h：12.30-06.30