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Descriptor English: Sleep Stages
Descriptor Spanish: Fases del Sueño
Descriptor fases del sueño
Entry term(s) estadio 1 del sueño no REM
estadio 2 del sueño no REM
estadios del sueño
sueño N2
Scope note: Períodos del sueño que se evidencian por cambios en la actividad del EEG y por ciertas manifestaciones conductuales relacionadas. Tradicionalmente se distinguían la fase 1: comienzo del sueño, fase de adormecimiento; la fase 2: sueño ligero; las fases 3 y 4: sueño delta, sueño ligero, sueño profundo, sueño telencefálico. En 2007, la American Academy of Sleep Medicine (AASM) de EE. UU. redefinió las fases del sueño de la siguiente forma: N1-N2 (inicio del sueño - sueño ligero), N3 (SUEÑO DE ONDAS LENTAS) y SUEÑO REM.
Descriptor Portuguese: Fases do Sono
Descriptor French: Phases du sommeil
Entry term(s): N1 Sleep
N1-Sleep
N2 Sleep
N2-Sleep
NREM Stage 1
NREM Stage 2
Sleep Stage
Stage, Sleep
Stages, Sleep
Tree number(s): F02.830.855.796
G11.561.803.754
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D012894
Scope note: Periods of sleep manifested by changes in EEG activity and certain behavioral correlates; they formerly included Stage 1: sleep onset, drowsy sleep; Stage 2: light sleep; Stages 3 and 4: delta sleep, light sleep, deep sleep, telencephalic sleep. In 2007, sleep stages were redefined by The American Academy of Sleep Medicine (AASM) as: N1-N2 (sleep onset - light sleep), N3 (SLOW-WAVE SLEEP), and REM SLEEP.
Allowable Qualifiers: DE drug effects
GE genetics
IM immunology
PH physiology
RE radiation effects
Previous Indexing: Sleep (1966-1968)
Public MeSH Note: 1972
History Note: 1972 (1969)
DeCS ID: 13277
Unique ID: D012894
NLM Classification: WL 108
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1972/01/01
Date of Entry: 1999/01/01
Revision Date: 2018/04/09
Sleep Stages - Preferred
Concept UI M0019970
Scope note Periods of sleep manifested by changes in EEG activity and certain behavioral correlates; they formerly included Stage 1: sleep onset, drowsy sleep; Stage 2: light sleep; Stages 3 and 4: delta sleep, light sleep, deep sleep, telencephalic sleep. In 2007, sleep stages were redefined by The American Academy of Sleep Medicine (AASM) as: N1-N2 (sleep onset - light sleep), N3 (SLOW-WAVE SLEEP), and REM SLEEP.
Preferred term Sleep Stages
Entry term(s) Sleep Stage
Stage, Sleep
Stages, Sleep
N1-Sleep - Narrower
Concept UI M000640817
Preferred term N1-Sleep
Entry term(s) N1 Sleep
NREM Stage 1
N2-Sleep - Narrower
Concept UI M000640454
Preferred term N2-Sleep
Entry term(s) N2 Sleep
NREM Stage 2



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