Did you know that light 💡 can drastically impact your health and well-being?
From mood 😊, sleep 💤, hormone levels to stress management, light plays a key role in our physiology.
Here are some zero-cost tools to harness the light's power for better health:
THREAD 🧵 2 min read
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Morning sunlight ☀️ is a game-changer for mental and physical health. Viewing it within the first hours of waking boosts cortisol release, preps the body for sleep later, and positively affects your immune system and focus. Even cloud cover won't stop its benefits.
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The morning sun 🌞 also helps regulate your "circadian clock” ⏰ - your body's internal clock that anticipates when to wake up and sleep. It also manages other biological processes like hunger 🍽️ and body temperature 🌡️. So, get outside for 5-10 mins each morning!
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Afternoon sunlight 🌤️ is a great "anchor point" for your body's time/season recognition. It helps your brain 🧠 start the process of transitioning to sleep. Plus, it helps buffer against the effects of artificial light exposure in the late evenings.
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Bright overhead lights 💡 in the morning and until midafternoon can help release dopamine, norepinephrine, and cortisol, optimizing your alertness and focus. But remember to start dimming your work environment as the day progresses to prepare for sleep.
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Avoid bright lights at night 🌃 to protect your mood and neurotransmitters. Consistent exposure to artificial light between 10 p.m. and 4 a.m. can decrease dopamine levels and negatively impact feelings of depression and anxiety.
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If you need to get up in the middle of the night, try using no light or very dim light. Amber or red light is a good option, as it minimally impacts melatonin levels. A dark sleeping environment promotes high-quality, deep sleep 😴.
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Lastly, getting sunlight on your skin can increase hormones like testosterone and estrogen, improving mood and libido. Spend about 20-30 mins in the afternoon sun 2-3 times a week - just remember not to sunburn! ☀️
Harness the power of light for better health today! 🌞🕶️👍"
This thread was inspired by
@hubermanlab news letter on Using Light for Health. link below
hubermanlab.com/newsletter/u…
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