Jan 28, - Know the correct melatonin supplements dosage for tackling insomnia. An overdose of melatonin results in headache or altered sleep patterns. .. Alprazlam (Xanax, Xanax XR), Chlrdiazepxide (Librium, Limbitrl, Librax), (Klonopin), lorazepam (Ativan), phenobarbital (Donnatal), zolpidem (Ambien).Missing: comparable. Dec 5, - Two things that many people take are Xanax and melatonin, but what if you were People use melatonin in supplement form if they have sleep Missing: comparable dosage. Jul 24, - I also take Xanax; 1mgx2 a day taking my last one at night. I have never abused my meds and have remained on the same dose of my pain med for 9 of 11yrs. or similar products to help me sleep,he kindly pointed me to Melatonin .. How can I wean off of bedtime lorazepam (for sleep only) and.