-- Posted by 2kewl4u2know at 6:00 pm on Aug. 25, 2008 Okay, I've heard both sides.  Some say you can lose weight in sleep.  From others I've heard you cannot lose weight in sleep. So, what do you think? -- Posted by La Motta at 6:01 pm on Aug. 25, 2008 Don't think so! -- Posted by boombabyy at 6:01 pm on Aug. 25, 2008 Not unless your doing sleep pushups -- Posted by ashleyacid at 6:01 pm on Aug. 25, 2008 I don't think you can. -- Posted by Molfsontan at 6:01 pm on Aug. 25, 2008 Your body uses up low amounts of fat/calories in your body during sleep. If you had no calories left from the previous day, your body would burn up fat to sustain life. -- Posted by mycuteFIEND at 6:01 pm on Aug. 25, 2008 You loose weight since you're not eating. But at the same time, NOT sleeping for a very long time will cause you to loose weight since your body is stealing energy and nutrients to keep you awake. -- Posted by JuggaletteBaby at 6:08 pm on Aug. 25, 2008 you burn more calories sleeping than you do watching tv. idk -- Posted by LittleItaly at 6:11 pm on Aug. 25, 2008 i don't see how