The causes of insomnia differ from one person to the next. In 1 or 2 instances, there's more than one underlying cause. If you can't drop off at night, it could be time for you to go looking for reasons that are keeping your from sleeping like your diet, your schedule and your technique of thinking. The goal of this piece of writing is to identify some of the main reasons for insomnia so that you can easier identify why you have got this problem.