If you regularly have a hard time getting restful sleep, you may need a sleep study. Also called polysomnography, a sleep study is a test that's used to diagnose sleep disorders. The good news? A ...
BUFFALO, N.Y. ­­â€” Individuals diagnosed with obstructive sleep apnea, which causes the upper airway to become blocked during sleep, often rely on a continuous positive airway pressure (CPAP) machine ...