There’s nothing quite like a good night’s rest to recharge the body and restore the spirits. Today’s show looks at the science of sleep—and insomnia.

SHOW CLOCK

00:00 Opening Credits

00:31 Introduction

01:28 Element of the Week: Helium

03:15 Mystery Solved! Snoring

06:44 Caffeine and Wakefulness

10:38 Quote: C. S. Lewis

11:02 Closing Credits

CREDITS

Special thanks to Catherine Giradeau and Anke Timmermann for researching this show. Additional credits available at chemheritage.org/distillations.