can't sleep

Hello. I'm doing relatively well for myself right now mentally so I haven't visited here in a while. I don't talk to anyone and have no active social media accounts, so I didn't know where else to ask. This was the first place that came to mind and I figured someone here might be able to give...

It's been a while since I've been active on this site as I thought i was getting better. But I was wrong. Recently I've been upset and angry ALL the time. I've never wanted to eat, I've never been able to sleep (and when I do it's for about 5 minutes and usually about myself committing suicide)...