I try to average around 200mg per day. I'd say typically between 170 -230 mg a day.
I mean did you take any at night? Or just 1x in the morning.
Also @ hairloss23:
Having more vivid dreams is a sign that you are not getting into the deeper stages of sleep as well or staying there. REM sleep is where dreams occur, and is the least deep stage of sleep.
Now if you are telling me you routinely feel well rested night after night on the same amount of sleep as before then alright that sounds just fine. But I would consider not taking it at night if I saw efficacy by doing that.