Brighter Days, Darker Nights

Brighter Days, Darker Nights

Your mother gave you your circadian rhythm

Newborn vs adult rhythms, the circadian programming of disease, and hope for a brighter future for all ages.

Nikko Kennedy's avatar
Nikko Kennedy
Mar 19, 2023
∙ Paid

Did you know your circadian rhythm is first set by your mother? If your mother and grandmother lived in a healthy light environment, great!

If they had a poor light environment, and if you haven't done the work to reset your rhythm, chances are, you may be carrying those unhealthy patterns today.

graphic showing how the egg that eventually bacame YOU was created in your mother while she was still in the womb
We are learning more and more about health is shared in family lineages. For example, the egg that eventually became YOU was created inside your mother while she was still in the womb.

Early life (from conception through 2 or 3 years), is when our circadian patterns are first set1.

This post is a preview of the kind of posts I will write for you if you join the newsletter.

At birth, we don't have the ability to synthesize significant amounts of the circadian hormone melatonin on our own. Instead, babies get melatonin from breastmilk—particularly from nighttime feeds because melatonin content in breastmilk peaks in the wee hours of the night2. They also get melatonin’s daytime counterpart, cortisol…

User's avatar

Continue reading this post for free, courtesy of Nikko Kennedy.

Or purchase a paid subscription.
© 2026 Nikko J. Kennedy · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture