Questions with the keyword 'sleep'

• Why do we have to sleep? Is it just because our body needs to re energise by xx.CAITLIN.xx to Hannah, Alison Comments: (No comments so far )
• I have been wondering if any of you know about dreams. How are they made, what makes them relate to our by Will Anderson and 5 others. to Paul, MarthaNari, Jonny, Hannah, Alison Comments: (No comments so far )