If you want to sleep in working hours,you can try this ten means(2)

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In Spring,some body always feels tired in working hours,even if yesterday you went to bed very early.That is natural. So I want to introduce ten means to help you. No.6 eat mint mint is useful for you want to clear your head.and it can make your mouth's sapor very fragrant. No.7 tell anyone In office ,private call always not be allowed.so you can have a little time to call your friends. No.8 think anything put down something on your hand,look at the computer bumbling.maybe you are happy,maybe you are heart-stuck.but you will not want to sleep. No.9 chat with your colleague chat with your colleague about work ,about the weather,about news.etc. No.10 chat with your manager you must look for a good topic.