"One needs to separate someone who's just a natural longer sleeper from someone who's having disturbed sleep that's causing them to feel sleepy during the day, " she says.
“应当严格区分长时间睡眠者和睡眠失常者，睡眠失常者白天常常感觉昏昏欲睡”她表示。
To what she needs he'd give up all his comforts, And sleep out in the rain.
对于她的要求，他可以不辞辛苦，在雨里睡觉。
It sounds simple, but the average teenager gets far less sleep than she needs.
听起来简单，可是一般青少年的睡眠时间远低于实际所需。
It sounds simple, but the average teenager gets far less sleep than she needs.
听起来简单，可是一般青少年的睡眠时间远低于实际所需。
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