far-infrared and steam exposure may influence melatonin production and sleep-wake signaling
Modulation of pineal gland and melatonin production
What this means for you
Melatonin is your body's natural sleep signal — it tells your brain when to wind down and when to wake up. When melatonin production is better regulated, most people notice it as falling asleep more easily, staying asleep longer, and waking up feeling more restored. Supporting your body's own sleep chemistry is one of the quieter but more meaningful things you can do for long-term wellness.
The published research
From the Pineal Gland to the Central Clock in the Brain: Beginning of Studies of the Mammalian Biological Rhythms in the Institute of Physiology of the Czech Academy of Sciences
Physiological Research · 2024
This peer-reviewed review article extensively documents the modulation of pineal gland melatonin production by light and photoperiod, including the mechanisms (NAT enzyme activity, light pulses, photoperiod duration) that regulate the nocturnal melatonin signal and entrain circadian rhythms via the SCN. It establishes as documented findings that pineal melatonin production is modulated by environm
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