All About Sleep with Dr Yu Sun Bin

Everybody has a story about sleep – good or bad. But what is sleep? Why do we need it? How much should we have? What happens if we don’t have enough? And what are circadian rhythms and what do they have to do with sleep? Dr Yu Sun Bin is an epidemiologist, who’s special research interests are sleep and circadian rhythms. She was Sylvia’s guest on Arts Wednesday 3 February 2021.