[Philomath]

I'm not really sure, I'm sorry I can't give you a definite answer, but I can tell you that when you did that, you released endorphins in your brain, chemicals that are released during physical activity, so that probably is what woke you up, the rush of the endorphins in your brain.
If you haven't slept in a week, that's worrisome, you really need to go to sleep, your body needs rest and keeping it up with Redbull and Coffee won't help you out physically. Your body not responding to the sugar and caffine rush you gave it was a sign that you need to sleep. Sleep is crucial for many parts of your activity in life, if you don't sleep, you will get really tired and your functioning can decrease and you could be endangering yourself a lot more than you think.
If you ever need anything, I'm here quite a bit so you can PM me and I'll be glad to help.