From that moment our research was directed towards the physiological study of sleep, especially towards what we now call its paradoxical phase.

从那时起，我们的研究转向了对睡眠的生理研究，特别是转向了我们所指的反常阶段。

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The researchers conceded that the link found in the new study was not as strong when they factored in the effects of certain health behaviors, including exercise levels, sleep habits and diet.

研究人员承认，当把锻炼水平、睡眠习惯和饮食等健康行为产生的影响考虑进去后，这项新研究发现的这种关联并没有那么大。

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A study published last year in The American Journal of Clinical Nutrition found that people who sleep more tend to eat less unhealthy food than their peers who don't get as much rest.

去年发表在《美国临床营养学期刊》上的一项研究发现，睡眠多的人比他们睡眠较少的同龄人更少吃不健康的食品。

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The study found that more than one-third of the pictures in women's magazines showed babies in unsafe sleep positions.

VOA: special.2009.08.26

For the study,they aimed for at least ten hours of sleep each night during the season.

VOA: special.2010.06.09

New technologies have made the study of sleep cheaper, easier, and less intrusive.

NEWYORKER: Up All Night

I'd get seven hours of shut-eye a night because a six-year, large-scale population study of sleep done at the University of California, San Diego School of Medicine associated it with the lowest death rate among adults.

CNN: Healthy habits: A month of living perfectly

He points out that of 521 patients who took the drug in a safety study, 2 had forms of sleep paralysis, which can be a symptom of narcolepsy.

FORBES: Can A Safer Ambien Make Billions? Merck Aims To Find Out