Ohh it's interesting that the other markers of the circadian rhythm would go out of sync with sleep cycle like that. I would expect them to all line up (and produce some grumpy humans).

And yeah, with age, I'm definitely starting to get into a more regular 24 h cycle.. but partially I think my room now has worse blinds, so the sun is a major factor in that.

I have joked before that I'd be suited for working on the Mars rover teams because of this haha! But I've only ever heard it as jokes; I don't think anyone on the team has ever commented about it in that way, bc like you said, they don't seem to adapt to it fully (probably to keep synced with non-rover teams?)