
Insomnia is a sleep disorder that affects the ability to get enough restful sleep. It can be short-term or long-term, and can range from mild to severe. The average episode of chronic insomnia lasts around three months, but it can last anywhere from a few days to a few years. This article will discuss the various causes, symptoms, diagnosis, treatment options and lifestyle changes associated with insomnia, as well as how to manage it and when to seek professional help.