A:进入寒冷的冬季,很多人都有早上起床困难的问题。“被窝里面好暖好舒服,真的哪里都不想伸出来。”那究竟为什么感觉冬天比夏天起床要困难很多呢?首先,日照长短对起床有重要的影响。光照可以通过对褪黑素水平的调节来影响睡眠。褪黑素是松果体分泌的一种激素,它具有镇静的作用,可以促进睡眠、提高睡眠质量。正常血液中褪黑素 A: In the cold winter, many people have problems getting up in the morning. “It does not really matter where you really want to stretch out.” "Why does it feel that it is more difficult for winter to wake up than summer? First, the length of the sunshine has an important bearing on getting up. Light can affect sleep by regulating melatonin levels. Melatonin is a hormone secreted by the pineal gland, it has a calming effect, can promote sleep, improve sleep quality. Normal blood melatonin