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Adolescent sleep is typically poor in duration and quality. Sleep duration and quality reduce to suboptimal levels, and sleep duration variability and latency increases during adolescence. [1] Sleep recommendations suggest that adolescents should obtain 8–10 hours of sleep per night.
REM sleep is characterized by the lack of muscle activity. Physiological studies have shown that aside from the occasional twitch, a person actually becomes paralyzed during REM sleep. [7] In motor skill learning, an interval of sleep may be critical for the expression of performance gains; without sleep these gains will be delayed. [8]
Young woman asleep over study materials. The relationship between sleep and memory has been studied since at least the early 19th century.Memory, the cognitive process of storing and retrieving past experiences, learning and recognition, [1] is a product of brain plasticity, the structural changes within synapses that create associations between stimuli.
Sleep has been shown to have a long list of physical and mental health benefits, and now a new study suggests it could also help to “erase" bad memories. Experts comment on the findings.
A genetic predisposition for insomnia has been found among some children, a new study found. But there are still actions you can take to help your kids, experts said.
Until around 50 years ago, most people thought that sleep wasn?t important. Many researchers even thought that sleep was the most passive part of the day.
Sleep deprivation also has a documented effect on the ability to acquire new memories for subsequent consolidation. A study done on mice that were sleep deprived before learning a new skill but allowed to rest afterward displayed a similar number of errors on later trials as the mice that were sleep deprived only after the initial learning. [46]
A new study offers an explanation as to how deep sleep — also known as slow wave sleep — helps support the formation of memories in the brain, which could help with preventing dementia ...