2019年4月22日 · Non-REM sleep includes three different stages. 1 A person cycles through REM sleep and non-REM sleep several times a night. For more detailed information about what happens during sleep and phases of sleep, check out Your Guide to Healthy Sleep, from the National, Heart, Lung, and Blood Institute.

2017年6月19日 · Sleep is a complex biological process that helps people process new information, stay healthy, and re-energize. Periods of sleep and wakefulness are part of how our bodies function. Although you are resting while you sleep, your brain remains highly active. Sleep consists of different stages that repeat several times each night. During sleep, the brain cycles …

2021年8月4日 · Sleep is essential for daily activities, performance, learning, and overall health. Insufficient sleep—getting too little sleep or not enough quality sleep—is a leading cause of accidents, lost productivity, and illness. NICHD supports many areas of research on sleep, including how sleep occurs, how a lack of sleep affects health and behavior, and conditions …

2017年6月12日 · Find answers to other common questions about sleep, such as how sleep affects you and your infant, and tips on getting a good night’s rest.

2017年6月7日 · Sleep and wakefulness are generally regulated by our brains working with input from our senses and our circadian (pronounced sur-KAY-dee-uhn) clock.

The back sleep position is the safest position for all babies, including preterm babies. Keep in mind that every sleep time counts. Room sharing—keeping your baby’s sleep area in the same room where you sleep—reduces the risk of SIDS and other sleep-related causes of infant death.

Health care providers and researchers don't know the exact cause, but there are many theories. More and more research evidence suggests that infants who die from sudden infant death syndrome (SIDS) are born with brain abnormalities or defects. These defects are typically found within a network of nerve cells that rely on a chemical called serotonin that allows one nerve …

2017年1月31日 · SIDS is the sudden, unexplained death of an infant younger than 1 year of age that remains unexplained after a complete investigation. This investigation can include an autopsy, a review of the death scene, and complete family and medical histories.1 A diagnosis of SIDS is made by collecting information, conducting scientific or forensic tests, and talking with …

2019年4月18日 · How much sleep you need depends on several factors, including your age and whether you’re sleep-deprived.

Other sleep-related deaths—This term describes deaths from something in or related to the baby’s sleep environment, how or where the baby sleeps, or things that happen during sleep. Other sleep-related deaths occur when baby can’t breathe, such as from: