Sleep has two phases: non-rapid eye movement (NREM) and rapid eye movement (REM). It also has four stages that repeat in 4 to 6 cycles nightly. Each stage affects your body differently, from light ...

Devices for sleep apnea keep airways open to improve breathing during sleep. PAP machines supply air through a mask to maintain open airways overnight. Oral appliances hold the tongue or jaw in place ...

Introduction COPD is a condition with multiple implications to the sufferer in terms of disability and high mortality, and one that often necessitates multiple hospital admissions, resulting in ...

Sleep apnea can make you very sleepy during the day, which is dangerous for activities like driving. Not treating sleep apnea can increase the risk of a stroke or "mini stroke." Sleep apnea can cause ...