Have been on it for 10 years at relatively low dose (50 mg a day) and just quit a week ago after being down to 25 mg. a day for a week.Since I quit the 25 mg. last week (7 days now) I fall asleep but wake up like clockwork after 2 hours and have to get up. Eventually I fall back to sleep but not with out tossing for a bit. Is this normal from coming off such a low dose?