Insomnia Support Group
Insomnia is a symptom, rather than a disease, and is characterized by inadequate quantity or quality of sleep. People with insomnia complain of difficulty falling or staying asleep, which results in significant impairment of daytime functioning. Insomnia is categorized as transient (shorter than one week), short-term (one to three weeks) or chronic (longer than three...

If you provide more detail on your situation, we might be able give you some more ideas. For instance, the big one -- are you keeping a consistent sleep wake schedule?
Do you have any other medical or psychiatric issues?
As always, find and treat that true underlying issue -- it's never sleep itself, that's only the symptom -- and things will get better.
Wishing you the best :)
it's guaranteed (20 mn at least )