Hey sorry to hear-I take 600mg of Lamictal at night, eventhough it doesn't make me that tired! I know Celexa causes fatigue and weight gain for most, and Topamax does also cause drowiness. If you can do it without meds then great...overwise if it were me, I'd take those all at night if you don't already, and ask you doc about switching Celexa for Aplenzin for depression and energy! Best of luck!!