Aaron Hartman, MDFunctional Medicine Specialist | Clinical Researcher

Unlocking the Triangle of Health_ The Power of Sleep | Is Your Exhaustion Actually Stress?

28 Feb 2025 · 0 min

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A brief transcript excerpt from Aaron Hartman, MD in a YouTube presentation linking gut health, sleep quality, and stress resilience. Hartman asserts that poor gut health impairs sleep and metabolic reserve for stress, and that disrupted sleep alters cortisol, digestion, and nocturnal immune cell activity (natural killer cells).

If your gut health is off, it can affect your sleep and your metabolic reserve to stress. And if your sleep is off in any way, whether it's from dysautonomia, from stress, you don't get quality sleep all of a sudden. It affects cortisol, it affects digestion the next day. If you don't get accurate sleep, you don't get. Your white blood cell count actually modulates at nighttime. Your natural killer cells pop up when you're sleeping.

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