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Sleeping: cool room with blankets?

It seems clear that sleeping improves when in a cool room. Is the goal to breath cool air - so that warm sleepwear and bedsheets are fine? Or is the goal to expose the body to cooler temperatures, in which case it would be best to sleep with minimal sleepwear / covers?

Vitamin D3 and K2

Please update us on the current thinking around the benefits of D3 supplements. I see an increase in publications on D3 and inflammation however, there is minimal discussion around the impact of K2 with D3. Thank you!

Maintaining Mental Clarity from Prolonged Fast?

Dr., apologies if you answered this question, but couldn't find any answers for it. But do you know of any ways to maintain the amazing mental clarity from prolonged fasting? After doing a 48-hour fast, I feel like my brain is super quick and clear. However, after a couple days or so, the effect fades, and I'm back to baseline. Do you know of any ways to maintain that amazing mental clarity that you get from prolonged fasting? Thank you

Improve Immune System Tolerance

Considering the current evidence on the role of vitamin D and leading research exploring immune system regulation from including vitamin D into one’s diet. Is there evidence to indicate prioritizing nutrient-dense foods rich in vitamin D (as well as sun exposure), zinc, magnesium, fiber, and other micronutrients potentially help mitigate the body's defense mechanism's reactions to allergens? Or more broadly improve immune system sensitivity?

Restless Leg Syndrome

Could you please collate your research in a podcast on this debilitating condition including treatment options please Andrew It appears to be an enigmatic disease with profound effects on quality of life that does not fall under any particular specialist banner I am a medico and hard to find good solutions for a patient with refractory RSL syndrome - I have heard there are breakthroughs with ketamine and spinal cord stimulation but at a loss to provide answers and solutions