On our journey of life, life is like mountain climbing, when you are along the steep, winding road, very tired to climb to the top, your mood must be indescribable excitement and pride!

在我们的人生旅途上，生活就像是爬山一样，当你沿着陡峭曲折的小路，无比疲惫地爬到顶峰，你的心情一定是难以形容的兴奋与自豪！

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If you are tired because of busy life, family will be a solid moral support.

如果你因为生活忙碌而劳累，家人会是是可靠的精神支柱。

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Perhaps the pursuit of perfection of the process will be tired very bitter twists and turns, can be perfect in itself a desire, a driving force, so life more meaning!

也许整个追求完美的过程会很累很苦很曲折，可完美本身就是一种愿望，一种动力，于是人生更有了意义！

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Some experts believe that chronically tired children will become chronically tired adults and will therefore be unable to cope with the stresses and strains of modern day life.

BBC: Children losing out on sleep