The point in that cycle (light sleep deep sleep and REM sleep) at which you wake can affect how you feel later and may even have a greater impact than how much or little you have slept.

你醒来的那个循环点（轻睡、熟睡、REM睡）会影响你之后的感觉，其影响甚至比你睡觉的长短还大。

youdao

Time unconsciously, we realise later after sleep. Time a little loss, the heart of silent hurts.

时间不知不觉，我们后知后觉。时间一点点流失，心默默的疼。汓。

youdao

But I suppose I'll sleep a little this morning. Then this afternoon I'll take a short nap and later on I'll try to get some more sleep.

不过我想早上会睡一会儿，然后下午我要打个盹，再晚些我会尽力多睡一会儿。

youdao

More than a day late, many coffees, and very little sleep later, the third time finally proved to be the charm -- more than 24 hours after our scheduled departure.

CNN: A week Boeing would like to forget