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纠结的睡眠时间 研究显示 7至8个小时更健康

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编辑: 1   作者: 奇趣发现   时间: 2018/10/26 18:13:02  

韩国首尔大学医学院就“健康人的平时睡眠时间会对死亡危险产生何种影响”进行分析,从1993年开始,针对1万3164名民众进行追踪,医学院预防医学柳槿永教授的研究小组将研究对象分为每天睡眠时间5小时以下、6小时、7小时、8小时、 9小时、10小时以上。

结果显示,与睡眠时间7至8小时的组别比较,少于、多于7至8小时的研究对象,死亡率都会升高,呈现出U 字图型。

5小时以下睡眠组的死亡率,比7小时睡眠组的死亡率高出21%。

10小时以上睡眠组的死亡率,比7小时睡眠组的死亡率则整整高了36%。

研究小组表示,周末睡觉时间最好不要超过8小时,会对身体较好,若起床时间比平时晚2个小时以上,则会对身体有害。