①There is no need to believe in the “8-hour sleep theory”, it is more important to complete 4-5 sleep cycles every night; ②How long does it take to stay up late? Not going to sleep at one point every day will affect the resting heart rate, which is equivalent to staying up late; ③ nap time more than half an hour, it is easy to cause dizziness and fatigue…
< /img>
Source: Legal Network