hi there,
you should not up the dose without speaking with you doctor about it first. I have had some clients that take 2mg. That being said, I wouldn't really reccomend taking ativan if you're having trouble sleeping. Ativan is great to take as a PRN (as needed basis) for when you're having acute anxiety. It can make you a little drowsy or a little more mellow, but is generally not used as a sleep aid. Ask your doctor about trazadone. Technically, it's an antidepressant, however it's super effective as a sleep aid...it's not all that effective as an antidepressant. Oh...and I wouldn't reccomend taking restoril at the same time as ativan....one or the other.
I was on Ativan for a while. I was taking 1 mg. I don't know how safe it is to up the dosage. I didn't really see any results with mine either. It didn't seem to make anything better. I think it gave me more side effects that relief from symptoms. Good Luck!!