I quit smoking about 2 months ago due to the chest pain and for some other reasons (dental). By the way I stopped smoking using the cold turkey method than by using any other techniques, however still have the chest pain when I take a deep deep breath, though it’s not really bad but I was hoping that it would go away after few weeks or a month. My other question is that I can’t sleep 8 hours straight every night, “sleep about 4 – 5 hours” is it because of the nicotine? Thanks in advance….