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 …

2019年3月27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7日 · The change in melatonin during the sleep/wake cycle reflects circadian rhythms. During sleep, the hypothalamus also controls changes in body temperature and blood pressure. Because circadian rhythms are controlled by light, people who have some degree of blindness in both eyes may have trouble sleeping.

2017年6月20日 · Sleeping problems are common in people with intellectual disabilities or mental health problems, such as depression or schizophrenia. 5 Sleeping difficulties are also common in many other disorders and illnesses, including Alzheimer’s disease, stroke, cancer, and head injury. 6 Some researchers believe that many of these sleep problems happen ...

2019年4月18日 · The National Sleep Foundation’s sleep time duration recommendations: methodology and results summary. Sleep Health. 2015;1(1):40–43. Paruthi S, Brooks LJ, D’Ambrosio C, Hall WA, Kotagal S, Lloyd RM, et al. Recommended amount of sleep for pediatric populations: a consensus statement of the American Academy of Sleep Medicine.

2012年10月3日 · In 1994, the NICHD, the American Academy of Pediatrics (AAP) and other partners launched the Back to Sleep campaign, to inform parents and caregivers about ways to reduce the risk of SIDS, defined as the sudden, unexplained death of an infant younger than 1 year of age. Initially, the campaign focused on encouraging parents to put infants on their …

2007年9月18日 · Friedman TC, Diego G-B, Hardwick D, Akuete CN, Stambuk MK, Dorn LD, Starkman M, Loh YP and Chrousos GP (1994) Diurnal rhythm of plasma delta sleep-inducing peptide in humans: Evidence for positive correlation with body temperature and negative correlation with REM and slow wave sleep. J Clin Endocrinol and Metab 78:1085-1089.

sleep for all sleep times—including naps. Sleep surface matters. Babies who sleep on a soft surface, such as an adult bed, or under a soft covering, such as a soft blanket or quilt, are more likely to die of SIDS or suffocation. Always place your grandbaby on his or her back to sleep, for naps and at night.