Insomnia comes from eating a high carb, sugar-filled, starchy food diet. The link has been proven with studies.

http://lifespa.com/sleep-interrupted-the-blood-sugar-and-sleep-connection/

The way you currently eat, it's virtually assured you'll have trouble sleeping.

"sugar and refined carbohydrates can interfere with sleep. Eating a diet high in sugar and refined carbohydrate and eating irregularly can cause a reaction in the body that triggers the “fight or flight” part of the nervous system, causing wakefulness."

http://doctormurray.com/health-conditions/insomnia-sleep-wake-cycle-disorder/

Lisa Shea, Low Carb and Video Games Editor
Low Carb Forum