I am new to this website, so I hope I am posting this in the right place. I thought this might help some people who recently quit -- If you saw my other post, I recently made a horrible decision and started smoking again after almost 9 years quit (May 23, 2009 was my original quit date -- Memorial Day weekend). Well, ever since I started again I have been absolutely exhausted. I sleep for 9, 10 or more hours a night and still wake up super tired. And I am doing very little exercise, far less than I used to as a non-smoker. I plan to quit again very soon, but I just thought this might help some of the new quitters. I remember when I quit last time being super tired the first few days or maybe the first week, but trust me, now I know smoking CAUSES us to be tired and does NOT give us more energy! Breathing fresh oxygen, exercising, eating healthy and getting enough sleep are what really gives us energy!