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About Dr. Catherine Darley

Dr. Darley is on a mission to uplift the sleep and thereby health of the world by bringing motivational information and sleep skills to you. The predictable rhythmic patterns of Nature shape our own circadian rhythms, and our sleep. As a naturopathic physician she uniquely brings together Nature Cure, Circadian Rhythms and Sleep Medicine to create the field of Naturopathic Sleep Medicine. Join in - Sleep fuels life!

The content of the "Be A Skilled Sleeper" Substack webpage (such as text, videos, audio, images, and other materials created by the Institute of Naturopathic Sleep Medicine) and other materials contained on this webpage (collectively, "Content") is for informational purposes only. The Content is not medical advice and is not intended to substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition. If you think you may have a medical emergency, call your doctor or 911 immediately.

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Essential information and sleep skills for everyone who needs the benefits of a good night’s rest. Writing at the intersection of sleep medicine, circadian health, and Nature Cure while touching on quantum biology, ancestral health, and longevity. Join!


Catherine Darley, ND, is the leader in natural sleep medicine. Her mission: uplift the sleep of the world by teaching sleep skills to people of all ages, and by training healthcare providers. Her expertise is regularly quoted by media and podcasts.