This is the stage in which we dream and information and experiences are consolidated and stored in memory. Rapid eye movement sleep, called REM, comes next. During deep sleep, your body is literally restoring itself on a cellular level. This is the time the brain repairs the body from the day’s wear and tear. That prepares you for the next stage – a deep, slow-wave sleep, also known as delta sleep. Heartbeat and breathing slow, body temperature drops and eye movements stop. In stages one and two, the body starts to decrease its rhythms. Since each cycle is roughly 90 minutes long, most people need seven to eight hours of relatively uninterrupted sleep to achieve this goal. The “sweet spot” for sleep is when you can sleep continuously though the four stages of sleep four to six times each night. Smartphone addiction ruins sleep, study says, but you can fight back iPhone was created and developed by the Apple inc. Man hand holding iPhone 11 with home screen IOS 13 on the screen. If you wake frequently due to noises or sleep apnea or to use the bathroom, that’s interrupting your sleep cycle – and depriving the body of the restorative sleep it needs. The quality of the sleep you get while your head is on the pillow is also critically important. Older adults often struggle to get a full seven hours due to chronic conditions and medications that might cause them to wake.īut getting good, restorative sleep is about more than a number. “It suggests that sleep quality may be key, as opposed to simply total sleep,” he said in a statement.Īdults need to sleep at least seven hours a night, while school-age kids need nine to 12 hours and teens need eight to 10 hours, according to the US Centers for Disease Control and Prevention. David Holtzman, scientific director of the Hope Center for Neurological Disorders at Washington University School of Medicine. “Not only those with short amounts of sleep but also those with long amounts of sleep had more cognitive decline,” said coauthor Dr. If they slept more than about seven and a half hours, cognition declined. That applied to people on the other end of the sleep spectrum as well. If a person slept fewer than five and a half hours, their cognitive performance suffered, even after controlling for factors like age, sex and Alzheimer’s pathology. Sharma enjoys hiking, reading, travel and spending time with her family.įor more information, see Sleep Medicine Center.The quality of rest you get every night is just as important as the number of hours slept. She is board certified in sleep medicine and adult neurology. She earned her medical degree from The Ohio State University College of Medicine in St. Louis, where she also completed residency training in adult neurology. Sharma completed fellowship training in sleep medicine at Washington University School of Medicine in St. Sharma practiced sleep medicine and served as medical director for sleep disorders at Sharp Grossmont Hospital Center for Sleep Disorders in San Diego and SSM Center for Sleep Disorders in St. Prior to joining UC San Diego Health, Dr. Sharma listens to each individual to ensure that she truly understands their situation in order to provide treatment that best suits their lifestyle. She is highly conscientious and strives to go above and beyond to provide patients with the best possible care. Victoria Sharma, MD, is a board-certified sleep medicine physician who cares for patients with sleep disorders including sleep apnea, insomnia, parasomnia, idiopathic hypersomnia, rapid eye movement sleep behavior disorder, narcolepsy and restless legs syndrome.
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