The best way to get used to a sleeping routine is to set a specific time each night that you will go to bed.
还能增强免疫功能，提高对疾病的抵抗力，改善精神状态，可以说睡眠是天然的补药。Good sleep can not only eliminate body fatigue， and promote the growth of body tissues and cells self-repair， but also enhance immune function， improve disease resistance， and improve mental state， it can be said that sleep is a natural tonic.
请点击收听下方音频，并跟读对话：Its time to take a nap.该睡午觉了。Let's lie down on the pillow.让我们躺在枕头上。I will sing you a lullaby.我给你唱一首催眠曲吧。
Lethargy有无精打采、死气沉沉的意思，也可以表示昏睡、嗜眠，与之相对的是则是失眠 。Lethargy: the state of not having any energy or enthusiasm for doing things。
底层逻辑是从空间上穿透、通过，延伸到对事物、过程的全面了解、完成，如同一路畅行无阻，实现从空间到过程的语义拓展。底层逻辑是物体向上移动位置，类似价格、水平等数值向上攀升，从空间方位变化类比到数量变化，赋予新义。
