Do You Need Blue Light Blockers?

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Wearing blue blockers early and throughout the day is exactly the wrong approach right setting your circadian clock properly people have just decided blue light is bad. blocking blue light later in the day meaning between 10 pm probably even 9 pm and 4 am is going to be beneficial unless you have to be up for work. If the lights are bright enough it doesn't matter if you're wearing blue blockers so the key is to dim screens dim the lights in your environment. It's pretty essential to get some light in the afternoon as the sun is heading down again. A paper showed that viewing light circus sunset adjusts the sensitivity of the the cells in the eyes such that it buffers you against some of the negative effects

SHOW NOTES

Two big reasons for having today's guest on the show, and how I've been using Sanbo Zen meditation to stay mentally engaged and emotionally grounded during the pandemic. [00:00]

Who is Andrew Huberman? [03:35]

What's new and exciting in the world of neuroscience: how did we get here, who's getting involved, and where are we going? [05:26]

What practical applications of neuroscientific discoveries does Andrew see becoming available in the not-too-distant future? [13:37]

What is the vagus nerve, and how can it be manipulated to promote physical and mental well-being? [16:25]

The therapeutic potential of neuromodulation and how it compares to traditional treatments. [24:46]

Does treating neurological disorders (such as depression) with these new technologies last over the long haul, and is there concern they're just relieving symptoms without addressing their root causes? [27:06]

Until this technology becomes available to consumers, what does Andrew suggest for people looking to improve their mood, hone their focus, and feel more productive? [31:53]

Why exposing yourself to bright, natural light early in the day is essential for establishing optimal sleep patterns, how much is ideal, and why getting outside for your daily dose is key. [34:36]

Why Andrew doesn't endorse blue-light blocking glasses to alleviate the effects of late-night exposure, and what he recommends instead. [38:46]

Breathing exercises for stress reduction: physiological sighs contrasted with the Wim Hof method. [42:07]

A practice Andrew considers to be "the one that has had the greatest effect on everything from ability to buffer stress [to] learning and memory": yoga nidra, or NSDR (non-sleep deep rest). [49:04]

Nostril breathing versus mouth breathing. [52:32]

How it's currently believed the glymphatic system works to remove neurotoxic waste from our brains as we sleep, protecting us against degenerative conditions like Alzheimer's disease. [57:29]

Why Andrew does not recommend melatonin supplements for sleep -- and what he uses instead. [1:01:29]

Supplements that may increase testosterone. [1:06:31]

The pros and possible cons of creatine. [1:08:04]

Why men shouldn't treat estrogen like an enemy, and what we should know about turmeric's effect on DHT. [1:08:44]

Why there's no catch-all supplement to increase "cognitive" function, and one of the surprising compounds some of Andrew's Nobel-winning colleagues take for focus that he doesn't personally recommend. [1:10:15]

Some cognitive-boosting supplements Andrew does recommend (and a few more he definitely does not). [1:11:54]

Parting thoughts. [1:13:31]

PEOPLE MENTIONED

Henry Shukman

Matthew MacDougall

Karl Deisseroth

Robert G. Heath

David Spiegel

Samer Hattar

David Berson

Jamie Zeitzer

Wim Hof

Brian Mackenzie

James Nestor

Sandra Kahn

Paul R. Ehrlich

Robert Sapolsky

Jared Diamond

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