但生长激素在睡眠时才分泌，而不论一天中什么时候睡觉。

But the growth hormone is released during sleep, whenever in the day that sleep occurs.

youdao

但生长激素在睡眠时才分泌，而不论一天中什么时候睡觉。

But the growth hormone is released during sleep, whenever in the day that sleep occurs.

youdao