Need sleep...

Wow. I'm exhausted. Corbin was doing so well for a while - going to bed at seven and sleeping until three or four, eating, then sleeping until six or seven. I didn't mind getting up with him the one time at all. Now...I spent all of an hour-and-a-half in my own bed last night. The night before, he was up every two hours. He's not sick, he just won't stay asleep. Right now, he's in his crib crying because I just need him to take a nap. He's so tired. I'm so tired. But as soon as I lay my head on a pillow, he wakes up. He no longer sucks his thumb, which was my saving grace. I just need some sleep!