Dr. Sasaki found, as expected, the participants slept less well on their first night than they did on their second, taking more than twice as long to fall asleep and sleeping less overall.

佐佐木教授发现，正如预期的那样，参与者们在第一晚的睡眠质量不如第二晚，入睡所需时间是第二晚的两倍多，且总体睡眠时间也更少。

youdao

When that genetic tweak was replicated in mice, they slept less too.

当那个变异的基因复制到白鼠身上时，白鼠们也睡眠时间很短。

youdao

This is pretty amazing considering that I slept less than 20 hours the entire past week and never more than 30 minutes at a time.

考虑到过去一周我只睡了不到20个小时，一切都是那么不可思议。

youdao

Last August,a study in the journal Sleep Medicine said children who go to bed after nine o'clock took longer to fall asleep and slept less.

VOA: special.2010.06.09

They also exercised more, smoked less, woke up earlier, slept less and drank more coffee than the non-leaders.

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"People who slept less than seven hours were about three times more likely to get a cold than people who slept eight hours or more a night, " said Sheldon Cohen, psychology professor at Carnegie Mellon University, in a podcast.

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It has even been suggested that the link may hark back to prehistoric times, when humans stored up on fat during the summer months when food was plentiful and they slept less as a result of the shorter nights.

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