帮我写写英语作文、题目如下假如你是jim,你的同学mary总是担心她的学习,导致睡眠不足.请你根据上面的内容给她写一封信

I am glad to write to you.I hear that you can't sleep well these days because you always worried about your study .first I must said what you do is wrong ,because you don't sleep well and you will not have much strength to learn your lessons .I never think about these because I know if only I study hard I will learn well ! now what you do right now is give youeself confidence and worry about nothing .Then you will have much strength to study .
Hope you well!
Yours **
可一定要给我分啊 我中午没睡交给你写的滴