Narcolepsy is a chronic disease that causes extreme daytime sleepiness and sudden brief episodes of deep, daytime sleep.| NHLBI, NIH
Sleep apnea is a common condition that occurs when your breathing stops and restarts many times while you sleep. Learn about the causes, symptoms, and treatments of sleep apnea.| NHLBI, NIH
Sleep deprivation and deficiency are conditions that occur when you don’t get enough good quality sleep when your body needs it. This can lead to physical and mental health problems. Learn about the causes, risk factors, symptoms, and treatment for Sleep deprivation and deficiency.| NHLBI, NIH