alt Hacker News> light hygiene
Awesome, hadn’t come across this term before.
You might appreciate the concept of chronotypes.
https://en.wikipedia.org/wiki/Chronotype
The DOAC podcast recently hosted Dr. Michael Breus on same.
Apple Podcast link, or conjure your own:
https://podcasts.apple.com/au/podcast/the-diary-of-a-ceo-wit...
Bear in mind that chronotypes, as stated in the wiki, only varies about 2-3 hours from each other. This is just to say that there is no nocturnal person in terms of biology, we are all diurnal mammals after all.