Jun
29th
Sun
29th
Fetuses have sleep and wake cycles, and you may find that these get more predictable as the months progress. But they may not coincide with yours: Babies in the womb are typically active in the late evening, just when Mom is trying to get to sleep.
— The weekly pregnancy update news letter I get from ivillage. So that explains it. I still like the Stewart/Colbert explanation better.
