假如你是李华，你的好朋友Mandy在上次给你的E-mail中提到她最近睡眠不好，请你根据以下表格的信息提示，给她回复一封邮件。
Problem | Advice |
Bad sleep | 1).go to bed and get up at the same time |
2).talk to parents or friends |
3).listen to music |
4). … |
要求：
1).除以上信息提示外，至少再提一点建议，并适当发挥，使行文流畅；
2).词数70左右，开头和结尾已给出, 不计入总词数。
Dear Mandy,
I'm sorry to hear that you've suffered from your bad sleep recently.
Hope you will sleep a lot better. Looking forward to hearing from you soon.
Yours
Li Hua
