SINGAPORE, Oct. 27 (Xinhua) -- Boys who consistently slept nine hours or more each night throughout the week had a 51 percent lower risk of obesity and significantly less abdominal fat compared to ...

宝宝睡着的时候，可能会出现微笑的表情，这是一种很常见的现象。 宝宝睡觉的时候笑，究其原因，主要有下面 2 个。 睡眠中的正常情绪反应 多伦多大学一项针对接收睡眠评估患者观察研究表明，睡觉笑是一种正常的情绪反应。在清醒时，宝宝的大脑会记录 ...

School start times should be put back to as late as 11am to combat a sleep-deprivation crisis among young people, a scientist has suggested. 一位科学家指出，学校应当把上课时间推迟到上午11点，以应对年轻人所面临的睡眠不足危机。 Paul Kelley, of ...