Insomnia is a common problem that takes a toll on your energy, mood, health and ability to function every day. Insomnia is defined by the quality of your sleep and how you feel after sleeping. Contrary to what many people think, insomnia is not a sleep disorder. Insomnia is a sleep complaint. If you are suffering from insomnia or know someone who suffers from insomnia check out these tips to overcome your sleep problem.