Tools

Explore

Videos Channels Figures

Atmrix

Tools

Explore

Videos Channels Figures

Atmrix

AH

Andrew Huberman

04/25/25

@ Andrew Huberman

Bright lights at night suppress melatonin, the hormone responsible for sleepiness, and increase cortisol levels. Blocking short wavelengths of light can help mitigate these effects.

Video

AMA #19: Collagen vs. Whey Protein, Creatine, Smelling Salts, Stimulants & More

@ Andrew Huberman

AMA #19: Collagen vs. Whey Protein, Creatine, Smelling Salts, Stimulants & More

04/25/25

Related Takeaways

Andrew Huberman

01/03/22

@ Dr Rangan Chatterjee

Dimming lights in the evening is crucial as bright light inhibits melatonin production, which is essential for sleep.

Andrew Huberman

01/03/22

@ Dr Rangan Chatterjee

Viewing bright light early in the day helps synchronize the cortisol pulse, providing energy and focus for the day.

Andrew Huberman

08/08/22

@ Andrew Huberman

Using red light in the hours before needing to be awake can help maintain your normal cortisol rhythm without disrupting sleep.

Andrew Huberman

05/22/25

@ Andrew Huberman

Viewing light in the afternoon helps regulate dopamine production and prepares your body for better sleep by reducing retinal sensitivity to light at night.

Andrew Huberman

05/22/25

@ Andrew Huberman

A natural increase in cortisol occurs early in the day, promoting wakefulness and a healthy immune system, and can be timed by exposure to bright sunlight.

Andrew Huberman

05/22/25

@ Andrew Huberman

Melatonin, which is inhibited by light, is essential for falling asleep easily, so getting outside in the afternoon can help boost its natural production.

Andrew Huberman

01/03/22

@ Dr Rangan Chatterjee

If you don't view light early in the day, the cortisol pulse can shift later, leading to mood issues and sleep problems.

Andrew Huberman

08/08/22

@ Andrew Huberman

Viewing sunlight in the late afternoon and evening can protect your nervous system from the negative effects of bright artificial light at night.

Andrew Huberman

08/08/22

@ Andrew Huberman

Viewing bright sunlight within the first 30 to 60 minutes after waking triggers a cortisol increase, which is essential for alertness and focus throughout the day.