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Using TUO light bulb

Hey DR. Huberman. I recently bought a tuo light bulb and the website said that you can use the light also in the afternoon to get energy again. is this true and will this disrupt the circadian cycle?

How much sunlight is too much?

You've pointed out in several of your podcasts how beneficial viewing sunlight is for a number of reasons. I've also heard that you should wear sunglasses to protect your eyes from UV light. Is that true? At what point should you put on your sunglasses?

EMF Biological impact

I have been dealing with dealing with severe chronic fatigue syndrome for the last 12 years. I had to stop my engineering career. I tried some many approches to improve my situation. I found out 3 years ago that minimizing the EMF exposure had a HUGE positive impact on my health. I am therefore eager to hear about where the science is at regarding the knowledge of the biological impact of EMF as well as what is preventing the science to evolve more rapidly. I am worried that we might be facing a big public health issue if not taken more seriously.

sleep percentages

I'm consistently getting between 3-11% of deep sleep, and my stage 2 sleep is consistently between 65-75% of my night (over the past few years). I've been keeping QQRT in mind (over the past few months) and feel rested for the most part. I'm really trying to focus on my working memory (which I realized is very poor after doing your working memory test). I'm trying to use sleep to aid working memory. Any ideas? Or any ideas on how to get more deep sleep? Are the ratios important?

Approved non-surgical method to regain skin elasticity

Is there any approved non-surgical method to regain skin elasticity (Loose skin) in the belly area after weight loss? I lost weight when I was in high school and now I am 40 years old and have been on a restrict diet (Low carb < 30 gr/day) and exercise program for the past 20 years. But the loose skin under my bellybutton does not go away. Please help.