I think Biden may be sharper than we expect, but not really sharp.
They’ve been adjusting his sleep schedule the last couple weeks so he won’t be “sundowning”. He’s just getting out of bed now and will think it’s morning during the debate, so will be about the best he can be, which isn’t saying much, but he’ll be better than he would be if he was on a normal diurnal schedule.
Perceptive. I think you are right about his schedule.
Let’s see if he blurts out “As I’ve been telling you all morning....”