Sleep is one of those fundamental human functions that just hits the spot. Feeling grumpy and sluggish? Maybe you didn’t get enough sleep last night. Take a nap or something. Quality of life is largely dependent on just how long and how well you sleep, so do it right. Personally, I’m not a great sleeper. It takes me an eternity to finally fall asleep. Even then, I’m up like two or three times throughout the night. And it makes me an unbearable person. But maybe you’re one of the lucky few who h…