Because during this time, the body will secrete a hormone called melatonin, which will regulate sleep together with the physiological alarm clock in the brain, promote sleep and make the skin reach 60 times the liquid crystal repair power, so it is best to fall asleep before eleven o'clock in the evening, which is also Cinderella's time. Girls who want to turn white should pay more attention. Melatonin can not only affect sleep, but also resist oxidation and scavenge free radicals, thus reducing skin damage and achieving anti-aging effects.
Therefore, you should choose to fall asleep before eleven o'clock in the evening.