中译英（一篇文章），谢谢！~

来源：百度知道 编辑：UC知道 时间：2024/08/21 03:16:59
睡眠占据人生命的1/3的左右的时间，睡眠可使机体的精力和体力得到恢复，有助于保持睡眠后良好的觉醒状态，使大脑随时处于准备接受体内外信息刺激的状态，维持有效作业能力所必需的睡眠与粮食和水一样重要。
睡眠的人体的一种生理休整活动，睡眠时许多生理功能发生变化，一般表现为：嗅、视、听、触等感觉功能暂时减退；骨骼肌反射运动和肌紧张减弱；伴有一系列自主神经功能的改变，如血压下降、心率减慢、瞳孔缩小、尿量减少、体温下降、代谢率减低、呼吸变慢、胃液分泌可增多而唾液分泌减少、发汗功能增强等。

人体整个睡眠过程具有两种不同的时相状态。其一是脑电波呈同步化慢波的时相；其二是脑电波呈现去同步化快波的时相。前者称慢波睡眠；后者称为快波睡眠。快波睡眠期间，各种感觉进一步减退，唤醒率提高；骨骼肌反射运动和肌紧张进一步减弱，肌肉几乎完全松弛；脑电波呈现去同步化快波；此时，还会有间断性的阵发性表现，如眼球快速运动，部分躯体抽动、血压心率升高、呼吸加快而不规则等。

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The sleep occupies a person life of 1/3 or so time, sleep can make machine body of energy and physical strength get instauration, contribute to keep after the sleep good awakening appearance and make the brain be placed in to prepare at any time accept the appearance that outside information inside the body stimulate, maintain valid homework ability similar important the essential sleep and the food and water.
Sleep of a kind of physiology of human body rest the whole activity, sleep many physiology function occurrence variety, general performance is:Smell, see, listen to, touch etc. felling function temporarily decrease;Skeleton muscle glint sport and muscle strain die down;The companion contains the change of a series of and independent nerve function and descend such as the blood pressure, the heart rate reduce slowly, the eye pupil contract, urine quantity decrease, the body temperature descend and the metabolism rate turn down and the breath become slowl