That's me. Genetic daytime sleepiness is a thing. Modafinil has been a lifesaver for me. Also, you have people with inherited dopamine management issues. Adhd

That's me. Genetic daytime sleepiness is a thing. Modafinil has been a lifesaver for me. Also, you have people with inherited dopamine management issues. Adhd aside, dopamine regulates internal clock, so delayed sleep phase is also a real thing. F.lux, blindshades and enough sunliht help, but just to a certain extent.