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Sleep science has shown that the brain remains remarkably active during rest, particularly in a stage known as rapid eye movement sleep. During this phase, the body experiences temporary muscle —paralysisparalyseparalysedparalysing, which prevents sleepers from acting out their dreams. Researchers have also found that chronic sleep deprivation can —impairimpairmentimpairedimpairing memory consolidation and weaken the immune system. Consequently, many clinicians now —recommendsuggestadviserecommending consistent sleep schedules as a cornerstone of preventive health.