Early birds may perform more creative work in the morning due to higher energy levels facilitating divergent thinking.

“there's some brand new evidence that at least on creativity at work um I read a series of I think it was three studies recently showing that early birds actually did do more creative work in the morning um and in part uh I think again the I don't I don't think any neuroscientist has has touched the mechanisms on this yet but in terms of the psychological processes early on there's just there seems to be a benefit of of the energy level um and some of that energy leads to more Divergent thinking”