Yes, that's why you should incorporate it in your morning routine right right after waking up, while still wearing the pajamas and then take a shower.

My question might sound aggressive but I've always been fascinated by seemingly smart people making that kind of point. Are you saying that having to take a shower is enough of an annoyance that you'd skip on a life time of benefits in almost every measurable health / well being metrics ?

Is that also true for a 20-second dash up the stairs, as suggested in the original article?