A water bed was bought for him; he only had the comfort of it for a single night.
A water bed was afterwards purchased, which was let out for a small fee to poor patients, temporarily bed-ridden.
1610s, "a bed on board a ship," from water (n.1) + bed (n.). As a water-tight mattress filled with water, it is recorded from 1844, originally for invalids. Reinvented c.1970 as a hip furnishing.