I LOVE MY LITHIUM!!!! I've been on lithium (nothing else) for a year and a half, and yes, it makes me a little sleepy at times. Yet, my mind is now razor-sharp, I remember so much now that I'd forgotten for decades, I haven't had a single "episodic event," and I just started back to work with great success. So, I get a little sleepy, so what? It's a tiny price to pay for so much in return.