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. 2014 Jun 23;6:73–84. doi: 10.2147/NSS.S62907

Figure 1.

Figure 1

The interaction of sleep and memory.

Notes: The dual process theory suggests that certain types of memory are dependent on specific sleep states, such as REM sleep, or slow-wave sleep (a stage of NREM sleep). The sequential processing theory suggests that memories require an orderly succession of sleep stages, eg, slow-wave sleep followed by REM sleep.20

Abbreviations: NREM, non-rapid eye movement; REM, rapid eye movement.