Global Head of Human Performance and Principal Scientist at WHOOP

Dr Kristen Holmes

Dr Kristen Holmes is a scientist and expert in human performance, focusing on the interplay between circadian rhythms, sleep, and recovery. She leads research at WHOOP, applying physiological data to optimize health and performance.

Known For

circadian rhythm researchwearable technology for health

Canon

Circadian Rhythm Alignment Is the Foundation for Sleep, Energy, and Mental Health

Canon

Hedonic Happiness vs Eudaimonic Fulfillment

Curious

Meditation Is Mental Training, Not Relaxation

Canon

Polyvagal Theory: Three Nervous System States Determine Response

Canon

Window of Tolerance

Curious

Episodes

#How to Calm Your Nervous System: 4 Ways to Sleep Better, Stress Less and Build Resilience with Dr Kristen Holmes #691Oct 28, 2026 #Most Replayed Moment: Better Sleep Doesn't Always Mean Longer Sleep! Fix These Habits TodayAug 21, 2026 #BITESIZE | How to Sleep Better, Get More Energy & Improve Your Mental Wellbeing | Dr Kristen Holmes #655May 7, 2026