Genetic Sleep Patterns
Chronotype is largely influenced by genetics, making it likely for individuals to mirror their parents' sleep patterns. However, external factors such as lifestyle choices and light exposure can modify these natural rhythms. Even those with a neutral chronotype can shift towards late-night habits due to environmental influences, but they may revert to their genetic predisposition when circumstances change.In this clip
From this podcast

Huberman Lab
Dr. Matt Walker: How to Structure Your Sleep, Use Naps & Time Caffeine | Huberman Lab Guest Series
Related Questions
Why is there such conflicting advice between Andrew Huberman, who says you can become a morning person, and Matthew Walker, who mentions that your genes determine your chronotype?
Which perspective is right regarding chronotypes: Andrew Huberman's view that you can shift your sleeping pattern, or Matthew Walker's view that chronotypes are largely fixed due to genetics? I don't want to change my pattern only to discover after many years that I did the wrong thing.