Circadian Rhythm & Glands
Name one sign your body is out of sync with circadian rhythms.
What is poor sleep, grogginess, low energy, hormone imbalance, or frequent illness?
This color of light dominates in the morning and helps wake us up.
What is blue light?
Best time of day to get outside for a circadian rhythm reset.
What is within 30–60 minutes of sunrise?
Plants use this process to capture light and turn it into food.
What is photosynthesis?
According to the Chinese Medicine Clock, the lungs do their deepest detox between these hours.
What is 3–5 AM?
Cortisol naturally peaks at this time of day.
What is the morning (after sunrise)?
This type of light at midday helps the skin make vitamin D.
What is UVB light?
Best time to build vitamin D naturally.
What is between 10 AM and 2 PM?
Vegetables change colors because of different ______
What are pigments (like chlorophyll, carotenoids, anthocyanins)?
The liver detoxes and processes toxins at this time of night.
What is 1–3 AM?
This gland, located between the brain hemispheres, makes melatonin at night.
What is the pineal gland?
This color of light in the evening helps calm the nervous system and prepare for sleep.
What is red light?
This type of light dominates at sunset and helps repair mitochondria.
What is red/infrared light?
Eating a rainbow of vegetables means you’re eating stored ______.
What is light (different wavelengths)?
The stomach’s best digestion time is around this morning window.
What is 7–9 AM?
Which glands sit on top of the kidneys and release cortisol?
What are the adrenal glands?
True or False: Green light plays a role in signaling melatonin production.
What is false?
After sunset, what should you avoid to protect melatonin production?
What is artificial blue light (screens, LEDs)?
This nutrient, made by sunlight on the skin, is also found in fatty fish and fortified foods.
What is vitamin D?
True or False: The heart has its highest energy and blood circulation around noon.
What is true?
This “master clock” in the brain is reset each day by light entering the eyes.
What is the suprachiasmatic nucleus (SCN)?
Too much artificial blue light at night suppresses this important hormone.
What is melatonin?
During sleep, your body shifts into these two key repair modes.
What are detox and hormone balancing?
Which plant pigment captures green light but reflects red/orange, giving carrots their color?
What is beta-carotene?
According to the harmonizing habits list, what should you do between 5–7 AM?
What are wake up, move, meditate?