David PerlmutterPresident,, Perlmutter Health Center · Board-Certified Neurologist | Functional Medicine Pioneer | #1 New York Times Best-Selling Author | International Speaker | Host of The Empowering Neurologist Podcast

Cold Plunge After the Gym Is Killing Recovery

4 Aug 2026 · 0 min

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In this brief monologue, the speaker explains that after completing a workout the body is in a state of sympathetic activation. For optimal recovery, it is essential to transition quickly to parasympathetic dominance. The speaker warns that many people move straight from exercise into work tasks, meetings, or a cold plunge—activities that sustain sympathetic activation—thereby impairing recovery. The core message is that immediate post‑exercise activities should promote parasympathetic activation rather than maintain stress responses.

The great example of this is exercise. Once you finish exercise, you want to be able to flip out of that sympathetic activation to get into parasympathetic as fast as possible so you actually can recover as fast as possible. Okay? The worst thing that a lot of us do, go directly from exercise into our work, into our meetings, into the cold plunge. Like, these are things that are increasing our sympathetic activation when we need to be parasympathetic to really recover.