Really sleepy

This is my second pregnancy I remember with my first I was always sleepy but with this one I am even more! Like if I can't get enough of it, I am a full time student, have a two year old and I'm always running somewhere, but I'm always sleepy. I wake up and like two, three hours later I'm like I need a nap asap!!! Is anyone feeling this tired I am about to be 3 months in a couple of days