Heavy media use interferes with sleep by reducing sleep duration.
大量使用媒体设备会缩短睡眠时间，从而干扰睡眠。
For example, sleep duration has declined from some 8 hours in the 1950s to 7 in recent years.
例如，睡眠时间从20世纪50年代的8小时左右下降到近年来的7小时。
Shorter sleep duration is linked to obesity, coronary artery disease, and diabetes.
缩减睡眠时间会出现肥胖、冠状动脉疾病及糖尿病。
Diet also has a greater impact than physical activity, watching TV or sleep duration.
饮食关于身体安康的影响远远超越了体育运动、看电视频率以及睡眠的时间。
Nearly two thirds of the teenagers with short sleep duration also had low sleep efficiency.
将近三分之二短睡眠时间的青少年也有睡眠效率也降低。
The researchers also point out that diabetes is not the only risk associated with sleep duration.
研究人员还指出，睡眠时间不仅仅与患糖尿病的风险相关。
Objective To investigate the relation of sleep duration and physical activity (PA) level to obesity.
目的：通过大样本横断面研究，初步探讨睡眠时间、身体活动水平和肥胖的关系。
Be honest: Sleep duration and quality can be as important to your health as your blood pressure and cholesterol level.
坦率地讲，对于健康来说，睡眠时长和睡眠质量同你的血压和胆固醇水平一样重要。
Be honest: Sleep duration and quality can be as important to your health as your blood pressure and cholesterol level.
要诚实！因为睡眠长短与质量和你的血压与胆固醇含量对你的健康同等重要。
Sleep duration is a modifiable risk factor with potentially important implications for obesity prevention and treatment.
睡眠时间是一个可变危险因素，对肥胖症的预防和治疗有着潜在的重要意义。
They also found a significant but less consistent pattern with shortened sleep duration and decreased heart rate variability.
他们还发现，睡眠时间短与降低的心率变异性降低之间存在着重要的但是缺乏一致性的关系。
The study, being published Tuesday in the journal sleep, also found that short sleep duration was associated with mood swings.
这个即将被发表在星期二《睡眠杂志》的研究也发现睡眠时间较短和心情变化有关。
Insomnia and short sleep duration, even in young children, resulted in a physiological activation of the sympathetic modulation.
失眠症和短睡眠周期，甚至在幼儿中也能导致交感神经调节的生理激活。
The average sleep duration was seven hours and 53 minutes, against the nine or more hours of nightly sleep recommended for adolescents.
没有遵守推荐夜间睡眠时间九小时或更长时间的青少年，平均睡眠时间为7小时53分钟。
The researchers measured sleep duration, trouble falling asleep, the number of wake-ups and problems going back to sleep if awakened.
研究者测量了睡眠持续时间，干扰睡眠后，醒来次数以及睡醒后再入睡的问题。
bottom line is that adequate recovery-sleep duration is important for coping with the effects of chronic sleep restriction on the brain.
“说到底，充足的恢复性睡眠有助于消除长时间睡眠不足给大脑所带来的副作用”。
In addition, information about the mens' daily sleep, including sleep duration and their usual bedtime, was obtained by a questionnaire.
另外，有关这些人每天的睡眠持续时间和睡觉时间的早晚也通过调查问卷获得。
This tells us that the genetic control of sleep duration may well be based on similar mechanisms in a wide range of highly diverse species.
这就告诉我们说在睡眠时间的遗传控制问题上，可能很多种的物种上都存在著类似的机制。
He and his associates examined the effects of insomnia that persisted for at least 1 year and objective short sleep duration on mortality.
他和他的助手们持续研究失眠症及客观短暂睡眠周期对死亡的效应1年以上。
Sleep status was represented using sleep latency and sleep duration per night. Mood status was measured with the Profile of Mood status (POMS).
睡眠状况由睡眠潜伏期和每晚睡眠的时间来表示，情绪状态用POMS量表评定。
Poor sleep quality was found in RLS patients, mainly in subjective sleep quality, sleep duration, habitual sleep efficiency and daytime dysfunction.
RLS患者的睡眠较差，主要表现在主观睡眠质量、睡眠时间、习惯睡眠效应、日间功能等方面。
Another possibility is that men are more vulnerable physically to this type of insomnia, i. e., insomnia associated with objective short sleep duration.
另外一种可能性是男性对于此类失眠症例例如客观性睡眠周期短暂型失眠的生理耐受性更差。
This new study examined whether reduced sleep duration itself may increase the risk of developing diabetes when combined with physical inactivity and overeating.
这项新研究观察了睡眠当时间短与少动及多食同时存在时，前者自身是否会增加糖尿病的危险性。
Short sleep duration was associated with angina, while both sleeping too little and sleeping too much were associated with heart attack and stroke, the study says.
这项研究还说,心绞痛与短时间的睡眠过程相关,而睡得太少或睡得太多同样与心肌梗塞及中风相关联。
The associations between sleep duration and weight gain persisted even after controlling for factors such as physical activity and calorie consumption in both groups.
甚至在控制了两组的一些诸如体育活动和卡路里消耗等因素后，睡眠时间和体重增加的关系保持。
There were 34.0% students having sleepy problems, including daytime dysfunction(71.7%), sleep latency(35.6%), or poor sleep quality(30.1%), and problems in sleep duration(27.0%).
有34.0%的在校学生有睡眠质量问题，睡眠状况不佳主要体现在日间功能障碍（71.7%）、入睡困难（35.6%）、睡眠质量不佳（30.1%）和睡眠时间不足（27.0%）。
Researchers found the ideal amount of sleep duration of seven hours per night resulted in the highest score for every cognitive measure, followed closely by six hours of nightly sleep.
结果发现，每晚睡眠7小时的中年男女在所有认知能力测试中得分最高，其次是每晚睡眠6小时的中年男女。
When the components of clinical illness (infection and signs or symptoms) were examined separately, sleep efficiency but not sleep duration was associated with signs and symptoms of illness.
对临床疾病的组成(传染性和症状)分别进行研究的时候，睡眠质量而不是睡眠时间和感冒的症状有关。
A study by Susan Redline and colleagues at Case Western Reserve University school of Medicine showed an inverse correlation between sleep duration and obesity in high-school-age students.
由凯斯-西部保留地大学医学院的苏珊·雷德兰及其同事进行的一项研究显示，高中生的睡眠时间与肥胖程度呈反比。
The intriguing prospect that sleep duration may play a role in how much we weigh has researchers busily conducting studies to tease out the potential relationship between shut-eye and BMI.
睡眠时间会影响体重，这个有趣的想法引起研究人员做了很多研究对睡眠和体重之间的关系进行探究。
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