Yes in absence, because the seasonal switches are rather unhealthy. Wrt. sources I don't have any english ones at hand without looking them up. But it shouldn'

Yes in absence, because the seasonal switches are rather unhealthy. Wrt. sources I don't have any english ones at hand without looking them up. But it shouldn't be to hard to find. I mean like I said it's pretty much consensus as far as I know between sleep scientist. Through like always it's a bit more nounced, like it's not worse for all people, but the larger group of people and it makes effects of social jetlack and similar worse (as it overlaps with them, maybe also because of people will change their action but that's hard to include in a prediction). EDIT: I'm currently wondering if less healthy working conditions in the US might affect what is worse/better. Also the consensus is wrt. Germany not necessary the US, I was a bit oversimplifying things.