题目内容：

假如你是李平，你的朋友Linda最近在学习上遇到困惑。她感到压力巨大，寝食难安，情绪低落，学习效率低下，请你写一封信给她，提供一些有益的建议，帮助她调整心态，提高效率。

要求：

1. 意思连贯，文字通顺。

2. 词数在60~80之间。

参考词汇：relax, stay up late, enough sleep, healthy eating habits, talk to others, feel better.

Dear Linda,

I’m sorry to see that you are unhappy these days. I want to tell you not to worry about your study too much. First, you should ___________________________________________________

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Yours,

Li Ping