Argh.

Dear body:

There is absolutely no reason whatsoever for me to be awake at 5:48 AM.  

However, I understand things happen.  Maybe you were excited to see the snow that had fallen overnight.  

But there's really no reason why you should wake up at 5:48 AM and then refuse to fall back asleep.  Given that normally getting up at 7:30 AM is perfectly sufficient to do whatever I need and get to class on time, your stubbornness on this issue is not appreciated.