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Michael Berger, LSW's avatar

This is SO on point—especially with how sleep affects hormones, nervous system regulation, and even cravings. The science really backs this up: just one night of poor sleep can increase cortisol and ghrelin levels, reduce insulin sensitivity, and mess with leptin (your fullness hormone), making you hungrier and more inflamed the next day. 💥

Also love that you mentioned lighting—melatonin is extremely sensitive to light exposure, especially blue light. Warm-toned lights, sunset simulation, and red light therapy all help signal the brain that it’s time to wind down, which is why they’re showing up more in circadian rhythm research.

The mouth breathing bit? Spot on. Nose breathing regulates CO₂ levels, improves oxygen uptake, and even activates the parasympathetic nervous system—essential for rest and recovery. James Nestor’s Breath does a great job breaking that down!

So good to see conversations about sleep finally going deeper than “just get 8 hours.” Sleep is biology’s most underrated upgrade button. 🧠🌙✨

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Duda Schietti's avatar

Absolutely loved this! Just wondering, how many times during the week you can stay consistent with this routine?

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