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Sarah Kleiner Wellness

Reverse weight loss resistance (Leptin Resistance), alleviate insomnia, and support hormone and mitochondrial health with Circadian Biology, Quantum Biology and Nutrition. Discover how ancestral wisdom, combined with modern tips, can revolutionize your health without the need for expensive tests, supplements, or unattainable protocols! Board Certified by the American Naturopathic Medical Association.

Sleep deprivation protocol

How I'm surviving 2am wake-ups (and protecting my mitochondria). When Sleep Disappears (and You Still Have to Function) If you’ve been there - you know. Our toddler, who used to sleep through the night like a dream, has suddenly decided that 2 a.m. is the perfect time to start the day. No medical issues, no fevers- just a wide-awake little human… and two very tired parents. And ironically - while I teach about circadian rhythm 😅........this has been a season of testing it in the most real way...

How to avoid wearing blue blockers in the evening....

👀 What the blue blocker companies don't want you to know....My step by step guide No blue blockers? What the blue blocking glasses companies don't want you to know..... I will start this email off by saying: I LOVE my blue blockers, and have worn them religiously for the last (almost) 5 years. At this point they are like a Pavlovian signal to my nervous system to wind down - so you probably won't see me going without them anytime soon. However - I do get a lot of feedback from people who are...

MyCircadianApp Webinar REPLAY!

Hi Reader, The replay is ready! Thanks again for attending today's webinar (or catching the replay). One thing I completely forgot to mention is that we now have a practitioner program with discounted rates for practitioners who want to buy MyCircadianApp for their clients! click here for details Click here to watch now (and I have timestamps & the webinar transcript available at the bottom of this email!) Click here to download the slides Lightbulb guide (click here to download now) And...

Complimentary webinar on Light & Health in a few hours!

Sign up & I will send you the replay - Live Q&A with me! For beginners & practitioners - link inside! Free webinar on Circadian Health starts today at noon EST (with live Q&A) Hope you are having a great Friday! Just a quick reminder to let you know that I'm having a free webinar today at noon EST, and if you can't come live - I will send you the replay - (but to get the replay - you must sign up here) You'll learn: Common FAQs about light windows & their specific benefits: Daybreak - Sunrise...

Night Shift Is a Carcinogen - So How Do We Protect the People Who Have to Do It?

Inside: My 10 Daily Cancer-Prevention Habits (complimentary ebook) + Night-Shift Survival Episode The Night-Shift Paradox: We Need You… But the Schedule Hurts You Twice a year we pretend we control time with the time change (how are you feeling by the way 😅).... But for millions of people on rotating and overnight shifts, time is a daily battle- and biology pays the price. Research has linked chronic circadian disruption to higher risks for metabolic disease and several cancers. That sounds...

Why I stopped vitamin D supplements a few years ago

What I do instead & why this might not be right for everyone. My exact winter protocol & FAQS The Vitamin D Debate.. In most health circles, vitamin D supplements are widely recommended, and the logic is: Your D3 is low - take more D3” - (and most good practitioners will also say “don’t forget K2 & magnesium.”) However - one of the benefits of working 1:1 with people, as well as having access to almost half a million people across platforms, is that I get to see how this plays out in real...

Do you lose your "spark" every winter?

Low energy - depression & low mood every winter? This is especially for you! The winter hormone modern life destroys (and how to get it back) As the days grow shorter and the sun slips away earlier each evening, many of us start to feel a little "off". Energy dips, motivation fades, and sleep never feels quite as restorative. We often call it seasonal depression or burnout, but what’s really happening runs much deeper. Winter fundamentally changes how your biology works, and the rhythm that...

This one thing can drop your carb tolerance overnight

This innocent habit drops your insulin sensitivity up to 25 percent (makes you less carb tolerant 👀⁉️) The Hidden Carb-Tolerance Killer Everyone’s fighting about carbs - macros & diets, but here’s what almost no one’s talking about: You can eat "perfectly" - and still wake up more insulin resistant - just because of the light in your room while you slept. In a 2022 PNAS study, participants who slept under 100 lux of indoor light - roughly the glow of a TV, a bedside lamp or your neighbor's...

CORRECTION: Do shorter days make you feel sluggish?

And complimentary Ebook inside! My last email had an error & I just can't let it go 😅 Thank you so much for opening this email (as I know this is the 2nd one I've sent today). I need to make a CORRECTION on this morning's email - and I'm also including my Shorter Days Longer Nights Ebook for you since you were kind enough to open this! Click here for the free Ebook ALSO - I forgot to mention the huge hydrogen sale (on my favorite hydrogen products) started yesterday! Anyone who buys ANY...

Do shorter days make you feel sluggish?

Why your energy, hunger, and focus all shift when the days get darker. (And how to fix that!) Do Shorter Days Make You Feel Sluggish? (the science & what to do)... We have about a week and a half before we turn the clocks back, and many of us are already noticing the later sunrises, earlier sunsets (and the biological shift). What many people don't realize is that your hormones also shift every fall and winter (leptin, cortisol, melatonin, thyroid & reproductive hormones). Today I will give...