We are not alone in dreaming at night for, quite apart from dogs and other domestic creatures whose emotions have been bound up with ours for many thousands of years, the smaller mammals such as mice and moles also live in a world that exists only in their minds whilst they are asleep, as we can detect from their eye movements, and who knows, said Austerlitz, perhaps moths dream as well, perhaps a lettuce in the garden dreams as it looks up at the moon by night.
