Weight reduction and increased physical activity to prevent the progression of obstructive sleep apnea: a 4-year observational postintervention follow-up of a randomized clinical trial.

Tuomilehto, H., Seppä, J., Uusitupa, M., Tuomilehto, J., Gylling, H., & Kuopio Sleep Apnea Group. (2013). Weight reduction and increased physical activity to prevent the progression of obstructive sleep apnea: a 4-year observational postintervention follow-up of a randomized clinical trial. JAMA Internal Medicine. https://doi.org/10.1001/jamainternmed.2013.389