Snoring is often dismissed as a nuisance, but in some cases it can be a sign of obstructive sleep apnea, a serious condition in which breathing repeatedly stops during sleep. Respiratory therapist Heiko Stopper knows this firsthand. He was diagnosed with sleep apnea himself and began treatment with a CPAP mask. In this report, he returns to the sleep lab for a follow-up assessment, while sleep specialists explain what happens in the body during pauses in breathing and why untreated sleep apnea can increase health risks. We look at the warning signs, risk factors, the various treatments available - and how lifestyle changes can support recovery.