I’ve been on night watch. Yes you aren’t as alert when you’re sleepy but that’s just something you have to deal with.
It’s interesting theory that there’s evolutionary nocturnal humans but I’m not sure how concrete that is. In any case, humans being diurnal isn’t contingent on absolutely everyone being like that. It’s just the default with most being like that.
I’ve been on night watch. Yes you aren’t as alert when you’re sleepy but that’s just something you have to deal with.
It’s interesting theory that there’s evolutionary nocturnal humans but I’m not sure how concrete that is. In any case, humans being diurnal isn’t contingent on absolutely everyone being like that. It’s just the default with most being like that.