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The subjects who engaged in REM sleep performed significantly better, indicating that REM sleep facilitated the consolidation of nondeclarative memories. [7] A more recent study [ 16 ] demonstrated that a procedural task was learned and retained better if it was encountered immediately before going to sleep, while a declarative task was learned ...
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.
Animal studies have partly validated these claims. For instance, one study conducted with rats showed that REM sleep deprivation after learning a new task disrupted their ability to perform the task again later. This was especially true if the task was complex (i.e., involved using unusual information or developing novel adaptive behaviours). [38]
The study adds to evidence showing sleep’s crucial role in memory consolidation, and may help scientists come up with preventive strategies against dementia.
Getting regular with your sleep time—for example, going to bed every night at 11:00 p.m. with lights off, phones away, and sleep noise machines on, if that’s your thing—can all help build a ...
Getting enough REM sleep is crucial, as it helps you store information and process emotions and experiences. But figuring out how to increase REM sleep can be a challenge. 10 Tips to Increase REM ...
Suppressed thoughts are more accessible during REM sleep, as a result of operating processes having a diminished effectiveness. This leads to presleep thoughts becoming more available "with an increased activity of searching for these suppressed thought[s]". [37] There are other hypotheses regarding REM sleep and dream rebound.
This study's interesting results are limited in generalizability due to the small sample and the lack of reported dreams by depressed patients. Emotions are more apparent in stages of REM-sleep rather than other stages of sleep. [39] It was found that during REM-sleep negative emotions diminish. [39]