Answer: I am on Lexapro and haven't had this happen to me...I am also an trazadone..a perscription sleepaid / antidepressant..I have, however, had more intense and vivid dreams...but never blacked out..You can take, according to my doc., just about anything with Lexapro and it won't affect it.. However...sleepaids are sleepaids and they do what they are suppose to...make you sleep...So is it a possibility that you was just talking in your sleep? B/C I do that all the time...My fiance says I have conversations with him in the middle of the night and I never remember it....Talk with your doc though. That's the only way to be safe..