Far-infrared sauna
Far-infrared sauna has been studied in 2 papers since 2015: 1 trial in people, 1 review; 1 in the past year. The newest paper, Nov 30, 2025: “The Role of Sauna Bathing in Ischemic Heart Disease: A Narrative Review of Therapeutic Potential, Physiological Mechanisms, and Emerging Clinical Applications”.
2 papers study it2 findingsUpdated
“During recovery at 30 min, CMJ was significantly (p < 0.05) higher (0.34 ± 0.09 m) after FIRS bathing than after sitting with NO SAUNA (0.32 ± 0.0 m).”
- 1 lab in 1 country
- Funder: Jyväskylän Yliopisto
- Human trial1
What did studies of Far-infrared sauna find?
2Studies of Far-infrared sauna measured 2 outcomes; the most studied are heart rate (1 study) and counter movement jump (1).
Heart rate
downin humans1
1 study
Heart rate
downin humans1
Far-infrared sauna decreases heart rate in humans (71 ± 7 vs 92 ± 13 beats/min, p < 0.05).
“After sauna heart rate was higher (p < 0.05) in TRAD (92 ± 13 beats/min) than in FIRS (71 ± 7 beats/min).”
Human trialfar-infrared sauna vs traditional Finnish sauna30 minmalesn = 10
SpringerPlus
Counter movement jump
upin humans1
1 study
Counter movement jump
upin humans1
Far-infrared sauna improves counter movement jump in humans (0.34 ± 0.09 m vs 0.32 ± 0.0 m, p < 0.05).
“During recovery at 30 min, CMJ was significantly (p < 0.05) higher (0.34 ± 0.09 m) after FIRS bathing than after sitting with NO SAUNA (0.32 ± 0.0 m).”
Human trialafter maximal endurance training sessionfar-infrared sauna bathing (35-50°C, 25-35% humidity)30 minmalesn = 10
SpringerPlus