Loud snoring at night. Pauses in breathing followed by gasps for air while you’re asleep. Excessive daytime fatigue. Frequent nodding off in front of the TV or even when behind the wheel of a car.

At-home sleep tests offer a convenient way to diagnose sleep apnea without visiting a lab. CPAP machines are a highly effective, life-changing treatment for those with sleep apnea. Modern CPAP ...