Russell Foster is a sleep expert, a professor of circadian neuroscience, a fellow of the Royal Society, and the author of Life Time.

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(00:00) Intro

(00:55) Views on sleep through time

(03:34) Why we have de-prioritized sleep

(05:39) Where should sleep rank in our health priorities?

(08:22) How do we know we're getting enough sleep?

(11:59) The historic and current cost of sleep deprivation

(17:44) Why does sleep exist?

(21:53) What is happening biologically while people sleep?

(27:59) Sleep and mental illness

(38:09) What those with mental illness can do to stabilize their sleep

(01:00:25) Sleep for new parents

(01:03:35) How would a healthy society approach sleep?

Episode 140: Russell Foster - Sleep: The Most Important Thing You Do