You may be suffering from a sleep disorder. Sleep is one of the life’s necessities and without it, your overall health and emotional wellbeing can suffer and can simply put you in a bad mood. It can cause cravings for sweet food, tiredness, lethargy, affect your stress levels, cause you to overreact and impair your work performance. Insomnia is the most common sleep disorder and if you answer yes to at least 2 of the first 8 questions above you may being suffering unnecessarily.