hiiiii raheel just relax and no need to worry sometimes no direct stress but some hidden worries are producing it just undergone some simple advise set fix sleep time and stick on it no day time sleep exercise in morning and evening for 30 min meditation in morning not taking any tea cofee soft drink before 3 hours of sleep avoid heavy meal in dinner light music in bed room use bed when u feel sleepy till read some boring books this will alll help u if it cant work than take tab zolpidame 10 mg sos when required at bed time it is safe for occasional use no need to worry thank u