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闹钟严重危害人体健康 科学家 - 站长搜索
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闹钟严重危害人体健康 科学家

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2015-08-19 22:27:19 转载来源: 网络整理/侵权必删

笔者几乎敢非常肯定的说,在工作日里,你每天早上起来都是靠着闹铃的“轰炸”才醒来的,而且一般情况下还会响很多次才会起床。之所以如此肯定,因为笔者也是起床苦难户

笔者几乎敢非常肯定的说,在工作日里,你每天早上起来都是靠着闹铃的“轰炸”才醒来的,而且一般情况下还会响很多次才会起床。之所以如此肯定,因为笔者也是起床苦难户。然而让笔者难以相信的是,居然这样的起床方式是对我们健康有害的,而罪愧祸首居然就是闹钟

来自日本的一项调查研究发现,被闹铃吵醒的人跟自然醒的人相比血压更高、心律更快,因为闹铃是一种外界的噪音,突然想起会引发你身体的应激反应,从而将肾上腺素的分泌量提高,让身体处于一种全面的压力之中。因此专家认为,闹铃的确能够保证你每天上班不迟到,但是长此以往将给你带去巨大的压力,导致失眠、高血压和精神压抑。而更具更深一步的调查显示,被闹钟吵醒,对于人的短期记忆也有一定的影响。

美国的科学家曾经有过一次实验,分别是自然醒的人、宿醉的人和被闹钟吵醒的人,让他们分别在起床后从事一系列的测试项目,特别是一些专业工作,比如医生、消防员和警察,结果显示自然醒的人可以做出最正确的判断,而宿醉的人和被闹钟吵醒的人均只有65%的状态,会做出很多错误的判断。这个结果非常让人意外,被闹钟吵醒后的状态跟宿醉一模一样,再一次证明了闹钟对于大脑的侵蚀威力是非常强的。

人在睡眠的后半夜里,身体机能已经处于半休息的状态,而且人平躺着睡觉血液也处于相对静止和粘稠的状态。当闹铃响起的时候,大脑会发出指令给器官和四肢,为了达到大脑的要求,血压、心律和呼吸在同一时间达到一个非常高的水平,让身体的负担突然加重。这样的情况偶尔发生的话还无伤大雅,如果每天如此,那么你的身体机能就会收到损伤。而闹钟对于老年人而言更是有非常大的“破坏力”,特别是患有心血管疾病的老年人可能会在闹铃突然响起的时候诱发心脏病甚至是中风。

另外就是有的闹铃具有分段响的功能,即第一被按下10分钟后会再响一次。这个功能本来是防止在关闭闹钟后再次睡觉的,但有专家认为这个功能尽量不要用,因为当你多次被闹钟惊醒的时候,你的状态将会非常差,所以将20分钟时间分为两段,还不如多给自己20分钟睡眠时间后一次性醒来。

最后研究者也给出了一个替代闹铃的方案,即将自己家中厚重的窗帘换掉,改用透光性更强的窗帘。因为人体对光线有本能的反应,看见阳光就会慢慢醒来。另外就是将铃声换成舒缓的音乐,从而给人体足够的时间去反应。当然,最好的办法还是早睡早起,让生物钟自然的叫醒自己,即自然醒。相信你保持一个月后,你的精神将会大有改观。

标签: 闹钟 严重危害 人体 健康 科学家


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