确保睡眠5个时钟系统节律, 第2集：昼夜节律, 各种照明灯泡及墨镜; 每天花几秒时间，比周末休息睡个好觉要好。

Circadian Rhythms with 5 Clock Subsystems, Part 2: Diurnal Rhythms & Lighting

https://geniusasian.com/circadian-rhythms-5-clock-subsystems-part2/