My wife has now been on it for about 1 month. 10 mg.
She is doing quite well on it. She is not a side effects reader-so she had no preconceived notions of exhaustion or appetite problems.
Our sleeping habbits are attrotious to begin with, so taking a nap is normal everyday behavior for us. I work, she does not. So I try to stay up late with her, which of course means I am exhausted during the day and need a nap when I get home. She usually is very willing to nap with me.
This behavior was common prior to Lexapro (switched from Effexor) and is still common. Her mood has been much better, and she doesn't seem to really be feeling any side effects. I guess everybody is different.
So give in to the nap, and continue to feel better.