Performance Longevity

Should You Supplement Vitamin D Regardless of Diet? A Newly Published Case Report (September 2025) Of Acute Kidney Failure Shows Why You Shouldn’t.

Should You Supplement Vitamin D Regardless of Diet? A Newly Published Case Report (September 2025) Of Acute Kidney Failure Shows Why You Shouldn’t: Vitamin D Supplementation Risks A middle-aged man, previously healthy, presented at the hospital with acute kidney failure after 6 months of vitamin D supplementation. His daily dose: ~4,800 IU, purchased online and

Should You Supplement Vitamin D Regardless of Diet? A Newly Published Case Report (September 2025) Of Acute Kidney Failure Shows Why You Shouldn’t. Read Post »

Are My Hormones Affecting My Sleep? An Overlooked Reason Hormone Therapy Falls Short

Are My Hormones Affecting My Sleep? An Overlooked Reason Hormone Therapy Falls Short Many individuals with low hormones—whether from aging or another medical reason—try supplemental testosterone, estrogen, or progesterone. The hope is that more hormone should restore sleep, energy, and mood. But results are often mixed. Some notice improvement; others see little change, or even

Are My Hormones Affecting My Sleep? An Overlooked Reason Hormone Therapy Falls Short Read Post »

Using Melatonin? Here’s How It Can Affect Your Blood Sugar Levels

Using Melatonin? Here’s How It Can Impair Your Blood Sugar Levels: Melatonin and blood Sugar Melatonin is best known for sleep. Some may also know it from longevity research, where it’s studied for its cellular protective effects. But what many might not realize is that melatonin is a hormone. And hormones, by definition, exert regulatory

Using Melatonin? Here’s How It Can Affect Your Blood Sugar Levels Read Post »

Your Brain Makes Its Own Sleep Drug—And It’s More Sophisticated Than Valium: progesterone for sleep

Your Brain Makes Its Own Sleep Drug—And It’s More Sophisticated Than Valium: progesterone for sleep Millions of adults struggling with sleep—including myself—have, at one point or another, turned to sleep medications. The hope being, to bring relief through better rest that would also safeguard our cognitive health. But a 2025 study published in Sleep, found

Your Brain Makes Its Own Sleep Drug—And It’s More Sophisticated Than Valium: progesterone for sleep Read Post »

“My friend the same age sleeps fine—why am I the one awake at 3AM?” why do I wake up at 3AM

“My friend the same age sleeps fine—why am I the one awake at 3AM?” why do I wake up at 3AM ➤ “Every morning my body kicks me awake between 2:30–3:30 am. No matter what I do—no screens, peppermint tea, chamomile tea—I still wake up. Then I drift in and out until ~5:30 am, when I

“My friend the same age sleeps fine—why am I the one awake at 3AM?” why do I wake up at 3AM Read Post »

Hormones and Sleep: How Testosterone & Estrogen Affect Circadian Rhythms — And Why That Matters for Sleep

Most discussions of circadian rhythm begin and end with melatonin—the molecule that signals darkness and helps us drift off at night. Yet melatonin is only one part of a much broader timing network.

Inside that same network, testosterone, estrogen, and progesterone communicate directly with the brain’s master clock—the suprachiasmatic nucleus (SCN)—shaping how the body aligns its daily cycles of temperature, metabolism, and recovery.

Understanding how these sex hormones interact with circadian biology offers a more complete picture of why sleep becomes lighter, shorter, or less restorative with stress and age—and how to rebuild stability from within.

Hormones and Sleep: How Testosterone & Estrogen Affect Circadian Rhythms — And Why That Matters for Sleep Read Post »

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