Tobacco cessation and insomnia common?

Habits: Tobacco is addictive and cessation could certainly cause problems including insomnia.

Yes: Quitting tobacco can cause 'withdrawal symptoms'. They vary a lot, person to person, but the good news is that they go away. Average is about 4 weeks. Can be shorter, can be longer. It's a big change - congratulations! stick with it - and your body has to adapt. Take advantage of having more energy and feeling better and get more exercise. Don't eat at night, and avoid tv and computer before bed.