In fact there's evidence of four chronotypes! I, myself, am a napper: :) https://www.sciencedirect.com/science/article/abs/pii/S0191886919303071 https://www.sc

In fact there's evidence of four chronotypes! I, myself, am a napper: :) https://www.sciencedirect.com/science/article/abs/pii/S0191886919303071 https://www.sciencedirect.com/science/article/abs/pii/S01918...