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卧具的学问人们多以为水平支撑身体是个极简单的问题,其实并不然。什么样的睡觉姿势最舒适、安定,需要进行综合分析。若单从减少肉体紧张感来说,最好是脊背及四肢轻松弯曲地侧卧。然而测试证明:头部稍高的仰卧,睡眠程度最深众所周知,人在睡眠中总要翻身,不可能始终保持一个姿势,而所有的翻身动作都以仰卧为过渡。所以,床的设计一般以头部稍高的仰卧姿势为基础。但是,所谓头部稍高不仅相对于身体的水平线,而且应相对于身体的构造而言。睡觉时如头位低,血液会冲向头部,增加对大脑的刺激,从而不能入眠。故而不仅要求床头一端高些,还得设置枕
The knowledge of the bedding Many people think that the level of support the body is a very simple question, in fact, not the case. What kind of sleeping position is the most comfortable and stable, needs a comprehensive analysis. If you just want to reduce the physical tension alone, it is best to bend the back and limbs easily bend side. However, the test proved that: the head slightly higher supine, the deepest degree of sleep It is well known that people always stand up in sleep, can not always maintain a posture, and all the turning movements to supine for the transition. Therefore, the design of the bed is generally based on a slightly higher supine posture of the head. However, the so-called head slightly higher not only with respect to the body horizontal line, but also with respect to the body structure. Asleep when sleeping head position, the blood will rush to the head, increasing the stimulation of the brain, which can not sleep. Therefore, not only requires one end of the bed higher, have to set the pillow