Plunge time stated as three minutes minimum, six minutes maximum
On Stephen A. Smith's podcast he described starting his day with cold water on his face, a cold shower and a cold plunge.
“It's three minutes minimum six minutes maximum.”Gary Brecka
Source: 'The Ultimate Human' Gary Brecka Reveals His Superhuman Morning Routine on Stephen A Smith's Podcast (article, 2 Apr 2024)