Sleep Problem

Been on this program about 22 days - breakfasts and beginning journaling. I've been on 3 meals daily for a number of years, still need to learn detail about journals, proteins and browns and whatever else for lunch and supper.

Anyway - last night I stayed up past bedtime playing a game on the computer - another addiction to add to the one for sugar. I know that this can lead to sleeplessness... Anyway, after an hour and a half of tossing and turning, I gave up and took an Ativan (prescribed to help with sleep). My question is - what does this do to my brain chemistry? Would I be better off to just tough it out and not get much sleep? Either way, I'd be sleepy in the morning, either from no sleep or from the aftereffects of the medication.

Thanks for any clarification you can provide.

Marcy