They can ensure you don't miss crucial road signs or fall asleep.

这些设施会确保司机们不会错过重要的路况指示牌或在开车时睡着。

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Often, victims throw lit cigarettes into the trash or fall asleep while smoking.

通常，受害者把点燃的卷烟扔进垃圾箱或者在吸烟的时候睡着了。

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People find that without air conditioners they could hardly work or fall asleep on hotter summer days.

人们发现，如果没有空调，他们几乎无法在炎热的夏季工作或入睡了。

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"Three or four hours before I could fall asleep. I wake up three o'clock in the morning with the same stuff on my mind, tossing and turning.

VOA: standard.2010.05.04

All I did when they visited was cry in sympathy for their worry over me, or fall asleep, but after they left I missed them.

NEWYORKER: The Reptile Garden

Routines like cuddling, singing or bathing can help children to fall asleep faster.

CNN: Vital Signs health tips

Parents now are most likely to feed or cuddle their baby until they fall asleep, although one in 10 said they let their baby drift off in front of the TV.

BBC: NEWS | Health | Modern mothers 'have less sleep'