Too tired for my own party

Today is my birthday and I'm about 2 hours away from guests showing up to a cookout I'm hosting and I'm dreading it like hell. I'm running on about 3.5 hours of sleep (which I know to some isn't the worst) but I'm just sitting in my garage trying to figure out how to put on a smile and fake it though this thing when all I want to do is lay on the floor and pass out.

I've already had a friend visiting with me over the last day (invited by my roommate but then he had to work, so I had expend what little energy I had entertaining while prepping for tonight) so I already have nothing left in the tank. No social battery. I'm so worried I'm going to be so low energy I'm going to kill the vibe and this is going to be a disaster.

I'm just so mad. I spent so much time planning, I'm fortunate enough to have alot friends willing to come, and I was genuinely looking forward to it. And insomnia renders it all for nothing, not only nullifying the fun, but actually making today one of the worst days I've had all year. This sucks.