If you are taking it in the morning and it makes you sleepy try taking it at night instead. I woulnd't just stop taking it because you may have withdrawl symptoms that are worse than being sleepy.
Left sided UC diagnosed 1/98 age 19, Pan colitis diagnosed 1/07
Currently on 4x3 Asacol, Rowasa every other night, down to 15 mg pred.
75mg Imuran starting 8/23/07---fingers crossed!
Prontonix once daily for acid reflux, zofran twice daily for nausea