Originally Posted by
McBTC
The latest research suggests we benefit by simply ending a hot shower with cold for 2-3 minutes. For me it's simply dialing it down over a count of 60 and finishing up with washing the conditioner out of my hair. And, it doesn't have to be polar cold– a temperature of 68°F (likened to jumping into the ocean in southern California) is enough change to jump start the system., especially if you ordinarily take a really hot shower to begin with.
How to Shower for a Ride (work, etc.)
The Finns and others have known this for centuries. The hot-cold treatment make me feel great, but also hungry, horny, and, ultimately, sleepy, viz. hyper-normal.