I'm so tired today!

I'm really tired today I worked 13hrs today. I didn't get enough sleep. I have sleeping problems. I would wake up twice in the night. Sometimes I can't fall a sleep. I would get only 4 hrs of sleep a day. To many things on my mind shrug. I was so tired I fell a sleep on the chair. That was embarrassing. Lucky I wasn't drooling. On top of that I wasn't feeling well. It was a nice day today. But I was stuck working.