Have you ever wondered why most people lean towards dark bedrooms for a good night's sleep? How light at night can affect our sleep is the focus of this episode of Light O’Clock. Dr. Elise McGlashan, an expert from the Melbourne School of Psychological Sciences, joins us to discuss how our bodies use light to regulate melatonin production, the nighttime horm ... Show More
Oct 2025
Light O'Clock goes live: Send us your questions!
Light O’Clock is going live from Vienna at Buch Wien 2025 on Saturday, 15 November – and this time, you set the agenda for the episode! Together with Marie Luise Schreiter, we’ll be diving into your questions about how light shapes our brains, bodies, health, and daily rhythms – ... Show More
1m 10s
Aug 2025
Season 3 – Episode 5: Drowning in light – The hidden costs of light pollution
For our Season 3 finale of Light O’Clock, we dive into a timely and often overlooked issue: light pollution. Artificial light at night has become a constant in modern life — but what are the hidden consequences? Our guests, Barbara Harding, Travis Longcore and Karolina M. Zielińs ... Show More
57m 51s
Aug 2025
The Red Light Sleep Secret… and Why You’ve Been Using Melatonin All Wrong
Could the secret to deeper, more restorative sleep be as simple as the right light… at the right time? Dr. Jay Khorsandi unpacks the cutting-edge science of red light therapy, how it interacts with your body’s natural melatonin production, and why timing is everything. Learn the ... Show More
6m 25s
Aug 2025
Essentials: Timing Light for Better Sleep, Energy & Mood | Dr. Samer Hattar
In this Huberman Lab Essentials episode, my guest is Dr. Samer Hattar, PhD, the Chief of the Section on Light and Circadian Rhythms at the National Institute of Mental Health. We discuss how light powerfully shapes mood, sleep, appetite, learning and overall mental health by alig ... Show More
35m 19s
Jun 2022
Circadian health: Dr. Samer Hattar explains how light exposure affects your sleep, digestion, and exercise
<p>On this week’s episode we take an in-depth look at the science behind your circadian rhythm and how light exposure affects your body. WHOOP VP of Performance Kristen Holmes sits down with Dr. Samer Hattar, a world-renowned expert in the field of circadian health, who is credit ... Show More
43m 10s
Oct 2023
Taking Your Sleep to the Next Level with Dr. Allison Brager
<p>On this week’s episode, WHOOP VP of Performance Science, Principal Scientist, Kristen Holmes is joined by Dr. Allison Brager. She is a neurobiologist with expertise in sleep and circadian rhythms who works to examine the mind and body’s resilience to extreme environmental stre ... Show More
38m 35s
Nov 2023
Sleep: How Do We Get More?
Not sleeping enough turning you into a monster? In one of our most popular episodes, we bring you the cutting-edge science that helps us understand why. And we sort through the fads to find out, what really works to get more ZZZs. We speak with lab coordinator Pam DeYoung, sleep ... Show More
32m 24s