12/18/2025
Evening habits matter for fertility because they change the signals your brain sends to your ovaries overnight.
Dim lights, blue light blocking glasses, reading instead of scrolling, magnesium, and warm, non–sun-mimicking lighting all support melatonin production and circadian rhythm alignment.
Melatonin is known as the sleep hormone, but that’s not all it does. It acts as an antioxidant in the ovaries and is involved in follicle development and luteal function. When nighttime light exposure is high, melatonin is suppressed, evening cortisol rises, and reproductive signaling can become disrupted.
These habits also support the hypothalamic-pituitary-ovarian axis by reducing evening stress signals and improving overnight LH and progesterone signalling. Ovulation and luteal phase health depend on timing and nervous system input, not just hormone levels on paper.
Magnesium further supports this process by calming the nervous system, improving sleep quality, and supporting progesterone responsiveness.
None of this is about being perfect, I definitely have off days where I doom scroll way too late and forget to put on the stylish red glasses. But at least giving your body some consistent nighttime cues can help it feel safe to rest, repair, and reproduce.
Fertility is influenced as much by circadian and nervous system health as it is by nutrition and supplementation.