... month, rather than my prescribed 20mg (1x20mg, was 2x10mg until December). in the past week or two I have noticed that I'm extremely sleepy and struggle to keep my eyes open. can these symptoms be related to taking too much Lexapro? and if so, when can i expect them to improve? I'm 5'7 and weigh less than 110lbs so I'm worried about the negative effects this will have/is having on my health