Why Sleep Matters More Than You Think with Mitochondrial Disease

For people living with mitochondrial disease, sleep is not just rest. It is part of how the body restores, rebuilds, and prepares for the next day.  In this episode of Energy in Action, Marcy Young welcomes back Dr. Mark for a practical and deeply informative conversation about sleep, fatigue, and mitochondrial health. Dr. Mark explains why sleep is so important for the body’s repair systems, how circadian rhythm connects to mitochondrial function, and why poor sleep can have such a noticeable impact on energy, pain, focus, and overall well-being.

Marcy and Dr. Mark also talk through the everyday factors that can help or hurt sleep, from caffeine, screen time, alcohol, late meals, and exercise timing to pillows, mattresses, light, sound, naps, melatonin, sleep apnea, restless leg syndrome, and sleep tracking devices. For anyone in the mito community who struggles to fall asleep, stay asleep, or wake up feeling rested, this episode offers clear, realistic guidance on what may be worth adjusting and when to seek medical support.

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