#172 How to Use the 9 Spectrums of Light for Better Sleep, Energy, and Health

In this episode of Hart2Heart, Dr. Mike Hart breaks down all nine spectrums of sunlight, offering a detailed guide to understanding light as both a healing modality and a lifestyle enhancer. Dr. Hart discusses how to boost mood through UVA exposure, and how to regulate your circadian rhythm with blue light. Dr. Hart also provides practical advice on leveraging natural light to optimize energy, sleep, immunity, and brain function. He also dives into the therapeutic uses of red, green, and infrared light, discusses the potential risks of overexposure, and demystifies common misconceptions about sunlight’s impact on health.

Resources:

Boost your energy. Optimize your sleep with Luminette

Shop Amber Glasses

Green Light for Headaches, How Cold Plunges Activate Brown Fat, & Why Daylight Savings Needs to Go

Show Notes:

• (0:00) Welcome back to the Hart2Heart Podcast with Dr. Mike Hart

• (0:15) Dr. Hart introduces today’s topic - How to use the light spectrums to your benefit

• (1:30) Overview of the 9 spectrums of light

• (1:45) UVA rays - risks, benefits, and nitric oxide

• (5:00) UVA’s impact on dopamine and mood

• (7:30) UVB rays - risks, benefits

• (9:30) UVB, autoimmune diseases, and cardiovascular health

• (12:30) UVB’s role in reducing certain cancers

• (13:15) Blue light - circadian reset and cortisol

• (18:00) Blue light devices and Light Therapy Glasses

• (19:30) Green light - migraine therapy and calm

• (22:30) Yellow light - what we know

• (23:45) Red light - mitochondria, skin, and recovery

• (26:00) Photobiomodulation and cognitive enhancement

• (28:00) Near infrared light - deep tissue penetration

• (30:30) Mid and far infrared light

• (38:00) Using light for health

• (39:00) Final thoughts

---

Dr. Mike Hart is a Cannabis Physician and Lifestyle Strategist. In April 2014, Dr. Hart became the first physician in London, Ontario to open a cannabis clinic. While Dr. Hart continues to treat patients at his clinic, his primary focus has shifted to correcting the medical cannabis educational gap that exists in the medical community.

Connect on social with Dr. Mike Hart:

Social Links:

• Instagram: @drmikehart

• Twitter: @drmikehart

• Facebook: @drmikehart