Dr. Colbert’s articles on restful sleep, steady energy and beating fatigue naturally.
Daylight and Dementia Risk: Why 42 Minutes Outside May Matter
A 2026 study of more than 87,000 adults found that getting less than about 42 minutes of bright daylight a day was linked to higher dementia risk. Here is what it means and how to get more light.
Essential Oils for Sleep: What 3 Drops of Cypress Did for Women
A small home study from Japan found that 3 drops of Hinoki cypress root oil at bedtime were linked to fewer night wakings in women. Here is what it means, its limits, and how to build better sleep.
REM Sleep Benefits: What a 95,000-Person Study Just Revealed
A new study of more than 95,000 adults suggests that the kind of sleep you get, especially REM or dream sleep, and how steady your schedule is may matter as much as how many hours you sleep.
Sleep Loss and Brain Health: What Happens When You Do Not Rest
Electron microscopy showed the brain’s housekeeping cells consuming synaptic material after sleep loss, and immune cells activating after several days of restriction. Dr. Colbert on what the study proved, what it did not, and how to protect your sleep.
Dr. Colbert’s Top 10 Supplements for Energy
The best supplements for energy are not stimulants. Dr. Don Colbert, MD walks through his top 10, starting with deep sleep and glycine, then magnesium, NAD+, CoQ10, B12, vitamin D3, omega-3s, MCT oil, beet root and the gut bacteria that rebuild your mitochondria.
Why You’re Always Tired (It’s Not Just Age) | Dr. Don Colbert, MD Ep. 3
Dr. Don Colbert, MD explains the mitochondria and deep sleep science behind low energy, and the compounds that help restore it.
Spring Circadian Reset: How to Fix Your Body Clock Before Summer Ruins It
Circadian Rhythm Reset How to Fix Sleep Schedule Spring Sleep Problems Biological Clock Spring Daylight Saving Time Health Melatonin & Cortisol Balance Holistic Sleep Health Sleep and Inflammation Every spring, something quietly goes wrong for millions of people — and…
7 Pillars of Health: Why You’re Tired All Day (It’s Not What You Think) | Dr. Don Colbert, MD Ep. 4
Dr. Colbert’s Broadcast • 7 Pillars of Health 7 Pillars of Health: Why You’re Tired All Day (It’s Not What You Think) | Dr. Don Colbert, MD Ep. 4 In Episode 4 of 7 Pillars of Health, Dr. Don Colbert,…
#12 of 12: Know This Number: Could Your Thyroid Be Draining Your Energy? | Dr. Colbert M.D. EP. 11
Topic #12 of 12: Know This Number — Could Your Thyroid Be Draining Your Energy? (Ep. 11) In Episode 11, Dr. Don Colbert joins Mary and Kyle to unpack the most overlooked thyroid number — free T3. If your hands…
Why You’re More Tired in the Summer—And What Your Hormones Have to Do With It
If you’re a woman who’s felt more drained, foggy, or off balance in the summer months—even when you’re sleeping decently and soaking in the sun—you’re not alone. In fact, women may be especially vulnerable to summer fatigue, and the reasons…
