Astro Physicist Professor Geraint Lewis returns this week for a new series for 2021 all about our universe. In Part 1 he explores the question of where our universe comes from.

My special guest at 11:00 am is Dr Yu Sun Bin, epidemiologist with a special interest in sleep and circadian rhythms. Everybody has a sleep story, good or bad. But what is sleep? Why do we need it? How much should we have? And what are circadian rhythms and why do they play such a huge role in how we sleep?

Music is mostly about sleep and dreams.

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