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十几岁的青少年喜欢睡懒觉,相信许多人都会认为这应该算是常识了。可是为什么他们这么喜欢睡懒觉呢?是本身就懒还是生理上的原因呢?一起来听听专家的解释吧。
Teenagers like to sleep late, I believe many people think it should be regarded as common sense. But why do they like to sleep late? Is it lazy or physiological reasons? Listen to the experts explain it together.