So drink before bed does not increase the total sleep time, but may make sleep lighter, is not conducive to sleep.
所以睡前喝酒并不能增加总的睡眠时间，反而有可能使睡眠变浅，不利于睡眠。
A cool (not cold) bedroom is often the most conducive to sleep.
清凉(不冷)卧室往往是最有利于睡眠。
Because if someone suddenly open the door, the owner vulnerable to interference, shock, is not conducive to rest and deep sleep.
因为如果有人突然开关门，主人容易受到干扰、惊吓，不利于休息和深度睡眠。
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