为何辛苦劳累却仍难以入眠

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1、为何辛苦劳累却仍难以入眠？为何你劳累过度却又如此难以入睡？这并没有一个可适用于每一个人的统一答案。身体上感到“劳累”却仍然无法入睡是可能的，因为你的身体可能感到疲惫，但你不觉得困倦。要想一下就“转而入睡”，没那么容易。缺少睡眠使事情变得更为复杂。专家们说，要使身体机能运转正常，成人每晚至少需要 78 个小时的睡眠。如果你连续数晚睡眠都少于这个时间，你就要开始负上“睡眠债”。当睡眠债越积越多，你的身体将做出压力反应。这样就形成了一个恶性循环：你感觉越来越累，但你的身体受到的刺激却越来越强。周末猛补几个小时的觉只是权宜之计。有规律地每晚睡一个好觉，这是不可替代。Why is it so diffi

2、cult to fall asleep when you are overtired?Why is it so difficult to fall asleep when you are overtired? There is no one answer that applies to every individual. Its possible to feel tired physically and still be unable to fall asleep, because while your body may be exhausted, you dont feel sleepy.

3、Its not so easy to simply turn off.Lack of sleep complicates matters even more. Experts say adults need at least 7 to 8 hours of sleep a night to function properly. When you get less sleep than that on consecutive nights, you begin to accrue sleep debt. As sleep debt increases, your body experiences

4、 a stress response. Now a vicious cycle has been created: You experience the feeling of being more and more tired, but your body is increasingly stimulated. Power sleeping for more hours on weekends is only a temporary solution. There is no substitute for getting a good nights sleep on a regular basis.