Athletes use them after hard training. Gym-goers use them to unwind. Some people book infrared sauna sessions because they feel stiff, sore or fatigued after exercise. But what can an infrared sauna actually do for recovery? The most accurate answer is that infrared sauna use may help some people feel less sore, more relaxed and better recovered after exercise, but it should not be treated as a shortcut to faster muscle repair or better performance. Recent research on post-ex