Everybody sleeps, but what people stay up late to catch—or wake up early in order not to miss—varies by culture.

每个人都要睡觉，但是人们为了不错过什么而熬夜或早起，在不同的文化中是不一样的。

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"We wake up from dreams happy or depressed, and those feelings can stay with us all day," says Stanford sleep researcher Dr. William Dement.

“我们从梦中醒来时的高兴或沮丧情绪会伴随我们一整天。”斯坦福睡眠研究博士威廉·德门特博士说。

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Other conscious humans helped wake me up and continue to help me stay awake... or to reawaken me when I lose that perspective.

其他有意识的人唤醒我，持续地是我保持清醒……或者当我迷失那些观点时再一次唤醒我。

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When we suggested it would be a good idea to stay up late (or wake up early) to guarantee a launch day iPhone 5, we meant it.

ENGADGET: iPhone 5 shipping times slip almost immediately to 2 weeks, early birds feel validated

Moms who stay up all night and then wake up early to fit in a run and blow-dry their hair are not better mothers than those who stayed up all night with their baby and are struggling because they're tired, she said.

CNN: The mommy morning compromise

He is also developing light-delivering goggles that are supposed to help people reset the circadian rhythms that govern when they nod off and wake up, so they fall asleep faster and stay asleep longer.

FORBES: Who's making big bucks off your insomnia?