How Sleep Works - How Sleep Works | NHLBI, NIH
Sleep is a period of rest that alternates with wakefulness, and it affects many of your body’s systems. Not getting enough sleep raises your risk of many seri| NHLBI, NIH
Sleep is a period of rest that alternates with wakefulness, and it affects many of your body’s systems. Not getting enough sleep raises your risk of many seri| NHLBI, NIH
Learn about different treatments for sleep conditions, including tips for healthy sleep, CPAP, light therapy, sleep medicines, sleep treatments and sleep devices.| NHLBI, NIH
Learn about sleep studies that doctors use to diagnose sleep apnea, insomnia, and other sleep disorders.| NHLBI, NIH
How do I order NHLBI publications? Printed versions of publications may be ordered from the NHLBI Center for Health Information. To order, select from these| NHLBI, NIH
