The sleep quality of holidaymakers improved by 17 percent while that of the non-holidaymakers deteriorated by 14 percent.

度假者的睡眠质量提高了17%，而不度假者的睡眠质量则下降了14%。

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Objective To explore the psychological defense mechanism and the sleep quality of patients with insomnia and their relationship.

目的探讨失眠症患者心理防御特征和睡眠质量，并分析二者的关系。

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It can control the temperature, light and even air quality in your bedroom to help you have a perfect sleep environment.

它可以控制卧室的温度、光线甚至空气质量来帮助您拥有一个完美的睡眠环境。

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Sleep apnea not only reduces sleep quality and makes people feel tired during the day.

VOA: special.2011.05.04

To account for the sleep variable, researchers in this study kept close tabs on the duration and quality of sleep of the participants.

FORBES: Study: Receiving a Compliment has Same Positive Effect as Receiving Cash

The Flex tracks your sleep quality as well, but the approach here differs from other Fitbit products: whereas the Fitbit One and Fitbit Zip have a key you can press to enter sleep mode, the Flex has no buttons at all, so your only recourse for logging sleep is to use the app or website.

ENGADGET: Fitbit announces the Flex wristband, a $100 fitness tracker to take on the Jawbone Up

As one of the first studies to look into the role that diet plays on sleep quality, the findings are more hypothesis-generating than confirming.

CNN: Does your diet influence how well you sleep?