Cool-down routines including stretching, meditation, and breathing exercises activate the parasympathetic nervous system to promote recovery after strength training.

“Russians did some uh did some numbers on powerlifters and they found that the top powerlifters they spend time and cool down and the guys are not so good they don't because not only it just allows you to bring your exitation down get your parasympathetic get you to start recovering so you do some easy stretching you do some meditating you do some breathing exercises whatever you do”