Sleep expert and WHOOP Director of Analytics Emily Capodilupo talks about her background and why she joined WHOOP (3:46), habits of our top 100 sleepers (15:30), bedtime routines (20:01), new WHOOP sleep features including Sleep Consistency (20:48), Sleep Efficiency and Respiratory Rate (24:18), how long one bad night of sleep affects you (36:30), improving REM & slow-wave sleep and what that means (43:29), tips for staying asleep (44:54), exercise's effect on sleep (52:58), tracking HRV during sleep (1:00:03), the reason why we try to sleep 8 straight hours (1:08:45), the dangers of Ambien (1:15:25), what sleep data looks like when you're drunk (1:21:53), and the numbers behind how much better people sleep after they start using WHOOP (1:28:55).