How long can a human being go without sleep?

　　人不睡覺(jué)能活多久？

　　He took a long time getting to sleep that night.

　　他那天晚上過(guò)了好長(cháng)時(shí)間才睡著(zhù)。

　　You'll feel better for a good night's sleep.

　　你晚上睡個(gè)好覺(jué)就會(huì )覺(jué)得好些。

　　You'll feel better after a good night's sleep.

　　你晚上睡個(gè)好覺(jué)就會(huì )覺(jué)得舒服些。

　　I'll feel better after a good night's sleep.

　　好好睡一晚，我就會(huì )覺(jué)得好些了。