In this episode we review a common idea, that before the industrial revolution humans slept in two periods, not one. We look at questions from Jonathan who requested this video. As so often, we see that we can learn more from where the questions come than the replies to said questions.
Feeling lost? Getting past insomnia can feel daunting if you don't have a clue of what's ahead. Sign up here and we'll send you a guide that outlines the steps towards better sleep.