3min chapter

Ben Greenfield Life cover image

Easy Ways To Get Smarter, The Best Jet Lag Hacks, Why Cold Water Is Better Than Cryotherapy, Weed Before Sleep & Much More

Ben Greenfield Life

CHAPTER

Introduction

Once you get into cold water, what you're doing is you're getting this massive robust release of norepinephrine. You can actually get a 350% increase in this neurotransmitter when you jump into cold. Magnesium increases something called GABA that encourages relaxation on a cellular level. It's critical for sleep and it also plays a key role in regulating your body's stress response system.

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