If you sleep longer than about 20 minutes, you'll pass out of REM and into other (deeper) phases of sleep.
如果你睡了超过20分钟，你会度过眼动睡眠而进入睡眠的下一阶段，深度睡眠。
Driver says it’s okay to periodically sleep longer if you need time to bounce back from an all-nighter, but don’t make it a habit.
Driver还说，如果你经常熬夜需要时间恢复元气的话，可以选择固定的日子延长睡眠时间，但不要养成习惯。
You will live longer and sleep better if you avoid bright lights at night.
当你在夜间避免强光照射时，你就会寿命更长，睡眠更好。
"If you take it longer than 30 minutes, you end up in deep sleep," sleep expert previously told HuffPost.
睡眠专家此前对赫芬顿邮报说：“如果你睡觉超过30分钟，就进入深度睡眠了。”
If it takes longer than 30 minutes to get to sleep, go into another room and read in low light until you feel sleepy, and then go back to sleep in your bedroom.
如果超过30分钟还没有睡着，就去另一个房间，在较暗的灯光下阅读直到有睡意，然后再回到卧室睡觉。
So, with that in mind, answer this question: how many uses can you think of for a brick?Or this: what would happen if people no longer needed to sleep?
记好这一点，下面来回答一个问题：你能想到一块转头有多少种用途?或者：当人类不需要睡觉后将会发生什么?。
So, with that in mind, answer this question: how many uses can you think of for a brick?Or this: what would happen if people no longer needed to sleep?
记好这一点，下面来回答一个问题：你能想到一块转头有多少种用途?或者：当人类不需要睡觉后将会发生什么?。
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