为什么熬夜经常会出现头晕？

来自张丽芳医生的专业解答，快打开看看是否又获得了新的知识点～

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家庭医生在线

病情分析：你好，熬夜的时候，大脑就得不到充分的休息，所以说就会觉得累的，然后就会引起头晕。在熬夜的时候，你交感神经会比较兴奋，特别是长期的熬夜，就容易引起血管痉挛，脑部的供血就不是很好，肯定会觉得闷沉沉的。所以如果说你这个头晕是熬夜引起来的话，平时一定要改正这种不良的生活习惯。

张丽芳

主任医师

提示：本内容仅作参考，不能代替面诊，如有不适请尽快线下就医