In the eighteenth century the mystical midnight hour disappeared and the modern night was born. We now aim to keep sleep at an efficient minimum, but experiments show that we quickly return to the old sleep pattern if given the opportunity. So what is the 'natural' way to sleep?
In the eighteenth century the mystical midnight hour disappeared and the modern night was born. We now aim to keep sleep at an efficient minimum, but experiments show that we quickly return to the old sleep pattern if given the opportunity. So what is the 'natural' way to sleep?
