I remember when I found Flux (third party predecessor to night shift) sometime in 2013. It worked in a week, I'd been staying up until 3am for most of the year and a started going to bed at midnight.

> 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...

> Night shift seems to have a very strong causal effect on my sleep cycles.

> light hygiene and using night shift

The OP article is primarily about separating the variables you lumped together.

>inspired me to do a control experiment

Delightful, see ya the 27th!

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