Space travel doesn't just change your location; it breaks your internal clock.

In space, one of the first things that degrades before you even notice it is your relationship to time — how it just kind of stops. The light environment stops telling your body what it needs to know, and everything downstream starts to shift.

You've spent years studying what happens to people, and I think you understand very well what happens to them in offices with the wrong light. So when did you first realize that this wasn't a design problem — it was a biological one?