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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.
Disrupted sleep and sleep loss interferes with the brain's ability to filter out bad memories, which could contribute to a range of mental health conditions, such as anxiety, depression, and post ...
Sleep deprivation may additionally affect memory by reducing the proliferation of cells in the hippocampus. [51] Sleep deprivation has also been associated with decreased overall membrane excitability of neurons in the brain. Activation of these membranes is critical for the formation of memories. [52]
Research indicates that sleep does more than allow the brain to rest; it may also aid the consolidation of long-term memories. REM sleep and slow-wave sleep play different roles in memory consolidation. REM is associated with the consolidation of nondeclarative (implicit) memories. An example of a nondeclarative memory would be a task we can do ...
The method could one day be developed into a technique to help combat traumatic memories, researchers suggest. Sound cues during sleep could help people forget specific memories – study Skip to ...
Sleep Could Help Erase Bad Memories, Study Finds: ‘Therapy For Our Emotions’ ... chronotype works can help you sleep better at night and feel more refreshed during the day, experts say ...
For example, declarative and procedural memory-recall tasks applied over early and late nocturnal sleep, as well as wakefulness controlled conditions, have been shown that declarative memory improves more during early sleep (dominated by SWS) while procedural memory during late sleep (dominated by REM sleep) does so. [101] [102]
Chronotype can affect how sleep deprivation influences mood. Those with morningness (advanced sleep period or "lark") preference become more depressed after sleep deprivation, while those with eveningness (delayed sleep period or "owl") preference show an improvement in mood. [62] Mood and mental states can affect sleep as well.