Cant seem to stay awake

I am 21 wks 3 days and yesterday i got up at 730 and couldnt seem to stay awake. Then i guess i feel asleep again and slept till 12 in the afternoon and that is very unusal. I havent felt this tired since i found out i was preggo. What could posibly be making me this tired?

[kelliestarr]

Pregnancy??? I don't know but I always almost sleep like that everyday. I go to sleep at 2 or 3 am and wake up at around 8am and stay up for an hour go back to sleep and then wake up at 2pm. Yesterday I woke up a 5pm. Today I woke up at 1pm. I just feel if you can sleep all these hours now, why not? You won't be sleep this good after the baby comes. That's the way I see it :)

[Brittney11]

Yeah i know but i also have a 2 yr old here with me to and im scared ill fall asleep while he is awake.