🧐 Why Do We Need to Sleep?

Have you ever 曾经 thought 思想 about why we spend 花费 about one-third of 的 our lives 生活 sleeping? It seems 似乎 like a lot 大量 of 的 time, doesn' t t it? But sleep is not just a time when we are doing nothing. It is actually 实际上 vital for our bodies and our brains.

When we sleep, our bodies do some very important work. First, sleep gives our body a chance to rest and repair. Our muscles 肌肉 relax 放松 , and our body can fix 修理 any small damage 损害 from the day. This helps us to stay 停留 healthy 健康的 and strong.

Second, sleep is very important for our brain. While 当……的时候；然而；尽管 we are sleeping, our brain does 做（do 的第三人称单数形式） a kind 善良的 of 的 " cleanup 清理 ". It sorts through 通过 all the information and memories 记忆 from the day. This process 过程 helps us to learn new things 东西 and remember them 他们 better. If you don' t t get enough 足够的 sleep, you might 可能 find it hard 硬的；困难的 to focus and think 思考 clearly 清楚地 .

• Key Idea: Sleep allows the body to rest 休息 and the brain to process 过程 information.

• Simple Vocabulary: vital (very important), repair ( fix 修理 ), sorts through ( organizes 组织 ), focus ( concentrate 集中；浓缩 ).

So 所以 , the next time you are tired, remember that 那个 sleeping is not lazy. It is a necessary part of 的 keeping 保持 your body and mind 头脑；心智；思想；介意 in great 伟大的 shape 形状 !