At the early stage of feeling sick, use heat before sleep: a hot shower or very hot bath/shower as hot as comfortably tolerable without scalding; some may create a steam-filled bathroom. Avoid sauna if already running a fever because body temperature could rise to dangerous levels.
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“So, I would say if you're not feeling well, yes, take the hot shower. Yes, uh get into bed and go to sleep, but elevate your feet to try and increase the activity of the glimpmphatic system.”
Andrew Huberman · Using Your Nervous System to Enhance Your Immune System | Huberman Lab Essentials · Sep 25, 2025 · 19:36 · YouTube ↗