Why Do We Sleep?

20 Why Do We Sleep? Susan doesn’t want to sleep. She says, I'm not sleepy. " Mom tells her, “ Just lie on your bed, close your eyes. You will start to feel sleepy soon. " But Susan still has a question, “ Why do I have to sleep?" Mom says, " You need to sleep to rest your body and mind. That way you will be strong and healthy. "

我们为什么要睡觉？ 苏珊不想睡觉。她说“我不困。” 妈妈告诉她“躺在床上，闭上眼睛。你很快就会感到困倦。” 但是苏珊仍然有个问题，“为什么我不得不睡觉？” 妈妈说：“你需要睡觉来让你的身体和精神得到休息。这样你会变得强壮和健康。”

Lights out.

熄灯。