Rachel,
You Must be doing something right, like everyone else has said. I wish i was as far along as you, when my DS goes for a nap so do i, im lucky he sleeps for roughly 3 hrs!! But thats because he gets up at 6. So come 11am i am exhausted and all i want to do is sleep and if DS only sleeps a little while i make DF watch him whilst i continue to rest.
I wish i was as far along as you.... But i have 9 weeks to go from tomorrow! Goodluck and i wish you all the best... Hoping it gets better for you when you have bubba....