睡觉蒙头人在蒙头睡觉时,不断呼出二氧化碳,二氧化碳集中在被窝里,氧气浓度不断下降,而人体在整个睡眠过程中又会自然散发出潮湿的热量,导致被窝里的空气潮湿而污浊。如果长时间蒙头睡觉,大脑会严重缺氧,起床时人会头脑昏沉。正确做法:睡眠时让脸露出来,让鼻腔正常呼吸。层层包裹衣服本身并不产热,只是把热量保存下来。如果空气层厚度超过1.5厘米,会导致空气对流加大,热量散发得更快,保暖性自然下降。而且,衣服穿得多了,人体自身体温调节机能也会下降,反而容易发烧感冒。 Sleepy headman sleeps exhausted, constantly exhale carbon dioxide, carbon dioxide concentrated in the bed, the oxygen concentration continues to decline, and the body will naturally during the sleepy natural radiating moist heat, causing the air in the bed is damp and dirty. If you go to sleep for a long time, the brain will be a serious lack of oxygen, get up when people will be drowsy. The right way: make face exposed during sleep, let the nasal breathing normally. Wrapping clothes itself does not produce heat, just save the heat. If the air layer thickness of more than 1.5 cm, will result in increased air convection, heat dissipation faster, natural thermal decline. Moreover, more clothes to wear, the body’s own body temperature regulating function will decline, but easy to have a cold.