I Have Trouble Getting Sleepy, I Hardly Sleep Thru The

I have trouble getting sleepy, I hardly sleep thru the nite. I took something that had melatonin, for a while there I got sleepy and slept for at least 3hrs everynight. The med that had this was called movefree for the bones. I finished it. Now I am back to not sleeping all over again. Was thinking of just buying th e melotonin at the GNC store. How many milligrams should I Get