Those who either sat quietly without using a phone or computer or participated in a guided relaxation activity did not report such improvement. (entrepreneur.com)
If that's not enough to see the value, how about the fact that stretching is a natural relaxation activity. (babygaga.com)
I've been doing a December detox with increased green drinks, low levels of consistent exercise, and plenty of relaxation activities. (flippingfifty.com)