ok I am going to be starting a 3rd shif job soon, and I havent been taking my phen for like 3 week now-but want to get back on it and down to business-so-here is my delimma-should I take it about 4pm-I will be sleeping from like 9am to 3 pm-so if I take it at about 4pm I should syill be able to sleep in the morning-or should I wait untill about 6 or 7pm so it dont wear off in the middle of the night at work? I should still be able to sleep if I take it that late shouldnt I? Ok any advice would be great! Cindy