Can't sleep at night? Is this why?

I've been researching vineyards and, in a roundabout way as ever, came across this wonderful quote from Sir George Sitwell, father of Edith etc.

"I must ask anyone entering the house never to contradict me or differ from me in any way, as it interferes with the functioning of my gastric juices and prevents my sleeping at night."

I think I'll get a sign made for our front door ...