(Night) Shift workers have an increased risk of heart problems, digestive disturbances, and emotional and mental problems, all of which may be related to their sleeping problems. The number and severity of workplace accidents also tend to increase during the night shift.
(夜班)倒班工人患心脏疾病、消化紊乱以及情绪和精神疾病的风险更高,这些都与他们的睡眠问题相关。夜班期间,车间事故的数量和严重性也会有所上升。
Okay, so we understand the process that drives us to sleep, but what happens to our bodies once we are in bed?
好吧,虽然我们理解了睡眠的运行过程,但是当我们上床睡觉以后,我们的身体会发生什么呢?
There are two kinds of sleep, Rapid Eye Movement (REM) sleep and Non-REM (NREM) sleep. Both of which are necessary for the body to go through its restorative process. There are also five stages of sleep. The entire process takes about 90-120 minutes. In an ideal situation, it would look something like this:
睡眠有两种形式,分别是快速眼动(REM)睡眠和非快速眼动(NREM)睡眠。这两种睡眠对于处于恢复过程中的身体来说都十分必要。睡眠也有五个阶段,整个过程需要90-120分钟。在一种理想的情况下,睡眠看起来是这样的:
When we can’t turn off the mind it is because we are having trouble transitioning from the alpha waves of stage 1 to the theta-band waves of stage two. Those with severe sleep disorders often enter REM sleep immediately upon falling asleep. As we begin the transition into sleep our brains are letting go of a lot, but this is by no means a passive process. Our brains are reordering and assessing the day’s events, working to promote new memory formations, and cleaning up debris.
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