From what I've read about polyphasic sleep, it doesn't seem to be best for humans. A lot of people have difficulty with it. I've come to the conclusion that p

From what I've read about polyphasic sleep, it doesn't seem to be best for humans. A lot of people have difficulty with it. I've come to the conclusion that people are biphasic. I think people perform their best with a long night's sleep and then a short nap around 2pm. I've noticed this works for me. YMMV.