Read on to see just how much of an impact moderate sleep deprivation can have on your mind and body.

1. Read on （继续阅读。read 是不及物动词，on 是副词“继续”）to see just how much of an impact moderate sleep deprivation can have on your mind and body.（目的状语）

2. 在这个目的状语中：to see （动词）just how much of an impact moderate sleep deprivation can have on your mind and body. （宾语从句）

3. 在这个宾语从句中：just how much of an impact （宾语）moderate sleep deprivation （主语）can have （谓语动词）on your mind and body.（方面状语）