睡眠时间一般应维持7至8小时，但不一定强求，应视个体差异而定。

Sleep time should generally be maintained from 7 to 8 hours, but not necessarily insist, should be determined depending on individual differences.

youdao

睡眠时间一般应维持7至8小时，但不一定强求，应视个体差异而定。

Sleep time should generally be maintained from 7 to 8 hours, but not necessarily insist, should be determined depending on individual differences.

youdao