关于睡觉
你是不是也有良好的睡眠品质?
Key indicators of good sleep quality from National Sleep Foundation (NSF)
Sleeping more time while in bed (at least 85 percent of the total time)
Falling asleep in 30 minutes or less
Waking up no more than once per night; and
Being awake for 20 minutes or less after initially falling asleep.
https://sleepfoundation.org/press-release/what-good-quality-sl...