Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

Sleep, REM MeSH Descriptor Data 2026


MeSH Heading
Sleep, REM
Tree Number(s)
F02.830.855.796.671
G11.561.803.754.671
Unique ID
D012895
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D012895
Scope Note
A stage of sleep characterized by rapid movements of the eye and low voltage fast pattern EEG. It is usually associated with dreaming.
Entry Term(s)
Fast-Wave Sleep
Paradoxical Sleep
REM Sleep
Rapid Eye Movements
Rhombencephalic Sleep
Sleep, Fast-Wave
NLM Classification #
WL 108
Previous Indexing
Sleep (1966-1968)
Public MeSH Note
69
History Note
69
Date Introduced
1969/01/01
Last Updated
2017/06/20
Sleep, REM Preferred
Rapid Eye Movements Related
page delivered in 0.142s