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Sleep cycle

The sleep cycle is an oscillation between the slow-wave and REM (paradoxical) phases of sleep. It is sometimes called the ultradian sleep cycle, sleep–dream cycle, or REM-NREM cycle, to distinguish it from the circadian alternation between sleep and wakefulness. In humans, this cycle takes 70 to 110 minutes. Within the sleep of adults and infants there…

Characters, Characteristics & Length

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Characteristics

ElectroencephalographyBrainwavesDelta waveHormonesRenin
18 related topics

Length

National Sleep FoundationNathaniel KleitmanInfantsCatsRats
8 related topics

Continuation during wakefulness

Ernest HartmannDaydreamBasic rest–activity cycle
3 related topics

Alteration

DrugsREM rebound
2 related topics

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Overview

Characteristics

Length

Awakening

Continuation during wakefulness

Alteration

Bibliography

  • ISBN ISBN (identifier)

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Map overview Semantic statistics

Sleep cycle

Nodes47
Edges46
Triples39
Avg. degree1.96
Density0.042553
Components1

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Sleep cycle

Top relations

related to Length · 17
Sleep cycle → Brain, Every, Eye, However, In, N1, N2, N3, N4, Nathaniel Kleitman, NREM, Other, REM, The, The National Sleep Foundation, They, This
related to Alteration · 9
Sleep cycle → Although, Deliberate REM, Meditation, REM, Since, Switching, The, There, This
related to Characteristics · 7
Sleep cycle → Delta, Electroencephalography, EMG, Heart, In, REM, Secretions
related to Continuation during wakefulness · 4
Sleep cycle → According, Ernest Hartmann, Kleitman, REM
is a · 1
Sleep cycle → oscillation between the slow-wave and REM

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Important terminology

sleep rem cycle body minutes wakefulness non-rem cycles stage temperature rhythm brain length also awakening activity asleep muscle nrem person

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Sleep cycleis aoscillation between the slow-wave and REM0.90text
theinstance ofMore recent theories0.80text
Sleep cyclerelated to AlterationThe0.60section
Sleep cyclerelated to AlterationAlthough0.60section
Sleep cyclerelated to AlterationREM0.60section
Sleep cyclerelated to AlterationDeliberate REM0.60section
Sleep cyclerelated to AlterationThere0.60section
Sleep cyclerelated to AlterationSwitching0.60section
Sleep cyclerelated to AlterationSince0.60section
Sleep cyclerelated to AlterationMeditation0.60section
Sleep cyclerelated to AlterationThis0.60section
Sleep cyclerelated to CharacteristicsElectroencephalography0.60section

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