What do you do to fix your circadian rhythms?

Andrew Huberman is a Stanford professor who tries to make the latest research more accessible to a layman audience. His speciality area is eyes

You would likely find these two episodes applicable and interesting if you're willing to make that time investment.

https://hubermanlab.com/master-your-sleep-and-be-more-alert-...

https://hubermanlab.com/find-your-temperature-minimum-to-def...

Need more context. Bad sleep? Jet lag?

I have a US to EU jet lag routine. Basically I try to catch a late flight east from as far west as possible and get precisely 6 hours of sleep. It’s enough that I can make it through the next day without a nap until 22:00 or so and be tired then. Normal sleep thereupon and it’s pretty much sorted.

I covered my bedroom window with a blanket and that keeps most of the light out at night. Closing my laptop shell helps keep down the light in my room.

400 mg of vitamin B1 before sleeping. NOT vitamin B-complex!