有些驾驶员、特别是一些为领导开车的驾驶员，由于受职业的制约，常常在等人时靠在座位上或伏在方向盘上睡觉，却不知这是十分有害的。原因是当人体进人睡眠状态时，心率会变慢，血管会扩张，血液循环相对缓慢，而坐着睡觉流进大脑的血液就会大大减少。特别是午饭后，胃也需要 Some drivers, especially those who drive for the leadership, often suffer from occupational constraints, often rest on their seats or sleep on the steering wheel while waiting for others, but I do not know if this is very harmful. The reason is that when the human body goes to sleep, the heart rate will slow down, the blood vessels will dilate, the blood circulation will be relatively slow, and the blood that flows into the brain when going to bed will be greatly reduced. Especially after lunch, the stomach is also needed