why am I still up it's 4:15 I can't sleep at all in just laying here literally just staring at my…

why am I still up it's 4:15 I can't sleep at all in just laying here literally just staring at my ceiling fan spin I went to sleep for about 30 minutes earlier and I've been up ever since. This really sucks man all I wanna do is be able to sleep, my belly is so hard right now but it doesn't hurt I'm not uncomfortable my mind is racing a thousand miles a minute. And I can't figure out why on in just going to put my phone down close my eyes and how I fall asleep I have a drs appt today at 1