Insomnia Sucks

Well I go for about 24 hours without sleep and then when I finally get the chance to sleep I end up waking up after only about four hours of sleep. Now it's 3 AM (about to be 4 AM) and I'm wide awake. So now what do I do? I've tried going back to sleep but all that happens is nothing so there goes my plan.. Let's see if I can survive this one.