Even when controlling for what’s noted, I’ve always been more productive of an evening and have been since a child. It’s not limited to me and there seems to be some genetic component. My mother, grandmother, aunts etc. All night owls, and all of us averaging 6-7 hours of sleep at best.

Regardless of what’s occurred before hand, my brain seems to kick into some higher gear at around 9-10pm. Like there is a noticeable change in my energy/cognitive capabilities.

Ironically, the only time this has ever deviated was two months I spent in Russia where for the first time in my life, I adapted almost instantly to what one might call a “normal” sleep schedule. As soon as I returned to my own time zone, it reverted back to me being a night owl again.

I’ve given up attempting to work around it and simply moved to a role that can accomodate it. It’s been huge for my physical and mental health to end the 30 odd years I’ve spent fighting what seems to be a natural schedule for me.