| gptkbp:instanceOf | gptkb:sleep_stage 
 | 
                        
                            
                                | gptkbp:abbreviation | gptkb:REM_sleep 
 | 
                        
                            
                                | gptkbp:alsoKnownAs | gptkb:paradoxical_sleep 
 | 
                        
                            
                                | gptkbp:alternativeTo | non-REM sleep 
 | 
                        
                            
                                | gptkbp:associatedWith | memory consolidation brain activity similar to wakefulness
 
 | 
                        
                            
                                | gptkbp:bloodPressure | variable 
 | 
                        
                            
                                | gptkbp:bodyTemperatureRegulation | impaired 
 | 
                        
                            
                                | gptkbp:brainRegionActive | gptkb:cerebral_cortex pons
 thalamus
 
 | 
                        
                            
                                | gptkbp:characterizedBy | muscle atonia vivid dreams
 rapid movement of eyes
 
 | 
                        
                            
                                | gptkbp:decreasedIn | gptkb:depression aging
 
 | 
                        
                            
                                | gptkbp:deprivationCauses | cognitive impairment mood disturbances
 
 | 
                        
                            
                                | gptkbp:discoveredBy | gptkb:Eugene_Aserinsky gptkb:Nathaniel_Kleitman
 
 | 
                        
                            
                                | gptkbp:doesNotOccurIn | gptkb:fish amphibians
 reptiles
 
 | 
                        
                            
                                | gptkbp:dreamRecall | most likely during REM 
 | 
                        
                            
                                | gptkbp:durationInAdults | 20-25% of total sleep 
 | 
                        
                            
                                | gptkbp:EEGPattern | low voltage, mixed frequency 
 | 
                        
                            
                                | gptkbp:eyeMovements | phasic 
 | 
                        
                            
                                | gptkbp:firstDescribed | 1953 
 | 
                        
                            
                                | gptkbp:firstREMPeriodOccurs | about 90 minutes after sleep onset 
 | 
                        
                            
                                | gptkbp:heartRate | irregular 
 | 
                        
                            
                                | gptkbp:importantFor | learning emotional regulation
 
 | 
                        
                            
                                | gptkbp:improves | gptkb:REM_rebound 
 | 
                        
                            
                                | gptkbp:inhibitedBy | gptkb:beer certain antidepressants
 
 | 
                        
                            
                                | gptkbp:measures | polysomnography 
 | 
                        
                            
                                | gptkbp:muscleTone | almost absent 
 | 
                        
                            
                                | gptkbp:neurotransmitter | gptkb:acetylcholine norepinephrine
 serotonin
 
 | 
                        
                            
                                | gptkbp:occurredIn | birds mammals
 
 | 
                        
                            
                                | gptkbp:partOf | sleep cycle 
 | 
                        
                            
                                | gptkbp:REMPeriodsLengthen | toward morning 
 | 
                        
                            
                                | gptkbp:respiration | irregular 
 | 
                        
                            
                                | gptkbp:sleepDisorderAssociated | gptkb:REM_sleep_behavior_disorder narcolepsy
 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:REM_sleep 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Rapid Eye Movement sleep 
 |