Nicotine affects brain wave function. This can influence sleep patterns and dreams about smoking are common. Try relaxing at bedtime with a glass of warm milk, deep breathing and relaxation techniques. Work on a hobby. The body is craving for nicotine.
Tobacco smokers are in a chronic state of nervous stimulation.
Many of the symptoms quitters experience are the result of the nervous system returning to normal. Deep breathe, take walks, exercise, use relaxation techniques, chew nicotine gum, cut down on coffee and pop. The body needs time to adjust to not having constant stimulation from nicotine. Change activities, get some fresh air, exercise, deep breathe, listen to music, watch TV, do more physical activity, cut down on coffee and cola, plan workload accordingly, avoid situations that may trigger your desire to smoke. Call a real friend.