Based American Sleep Association: Sleep Hygien Tips - (click link above right)
While there are many medications that may be used to promote or sustain sleep, it is better to first identify and address lifestyle and specific sleep behaviors that may contribute to insomnia.
Dr. Zigun can work with you in both these areas. Here are good places to start to see if you can identify and modify things on your own.
Sleep Hygiene from the American Sleep Association