Intuitively the converse seems to be true: getting into a hot bath, the muscles relax, the arteries relax and the mind goes merrily off to the races with intere

Intuitively the converse seems to be true: getting into a hot bath, the muscles relax, the arteries relax and the mind goes merrily off to the races with interesting ideas. Presumably because it is freed from a certain amount of its bodily management duties.