Robots will soon frost and fill Krispy Kreme's Doughnuts.
I've often wondered the same. This quotation, from the linked article, is telling
About half of all patients woken up for vitals checks probably don’t need to be, according to a 2013 study published in JAMA Internal Medicine. The study suggests waking those patients may contribute to bad patient results and dissatisfaction, and could increase the odds of patients having to come back to the hospital.