The Science of Sleep

Ever since I can remember I have been a night owl. It's typical for people my age to stay up late more often than not. But this has been a reoccurring theme for me for several years now. My brother and I shared a bedroom for a while when we were much younger. My parents had to separate us because I would stay up late and keep him up. He's always been able to fall asleep when he's wanted/needed to. I've always envied that. It's a rare night when I fall asleep soon after I lay down. Even rarer is the one where I sleep from start to finish without waking in between. Tonight is a typical night. The sleepiness comes and goes. I may see the light of dawn once again before I finally drift away.