567: Circadian rhythms, HRV, and light exposure | Kristen Holmes, Ph.D.

“If we really want to fix anything in our life–we need to fix our circadian rhythms first,” says Kristen Holmes, Ph.D. Holmes, psycho-physiologist with a research focus on circadian rhythms, sleep, and resilience, joins us to dive deep into our circadian rhythms, the importance of light exposure, and how sleep impacts HRV, plus: - Holmes’ background (~3:00) - Today’s women athletes (~9:30) - What is psycho-physiology (~10:30) - Influences on psycho-physiological states (~11:21) - The importance of our circadian rhythm (~14:59) - How to set your circadian rhythm (~17:00) - The impact of blue light (~20:18) - Sleep wake timing (~25:54) - Gender differences (~29:34) - Sleep chronotypes (~30:24) - HRV (~32:09) - The importance of routines (~35:52) - Traveling and routines (~38:29) - Misaligned circadian rhythms (~40:09) - Wearables (~43:19) - The current scientific space (~44:51) - Zone 2 and women (~45:49) - Holmes’ schedule (~48:54) - Lifestyle modifications (~49:29) - Strong women (~52:04) Referenced in the episode: - Follow her on Instagram (kristen_holmes2126) - Check out her LinkedIn (kristen-holmes) - Boost your HRV with Eight Sleep ( https://www.eightsleep.com/ ) - mindbodygreen’s Strong Women - Research on sleep timing and GPA (DOI: 10.1038/s41598-017-03171-4) - Research by Kenneth Wright on sleep timing and artificial light (DOI: 10.1016/j.cub.2016.12.041) - Connection Between Sleep and Psychological Well-Being in U.S. Army Soldiers ( https://doi.org/10.1093/milmed/usad187 ) For mindbodygreen listeners, Vuori is offering 20% off your first purchase for new customers when you visit vuori.com/mbg . Enjoy free shipping on any U.S. orders over $75 and free returns. Exclusions apply. Visit the website for full terms and conditions. We hope you enjoy this episode, and feel free to watch the full video on YouTube ! Whether it's an article or podcast, we want to know what we can do to help here at mindbodygreen. Let us know at: podcast@mindbodygreen.com. Learn more about your ad choices. Visit megaphone.fm/adchoices