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Syndrome reference sheet
Generated 12 Oct 2026
Pulmonology · Pulmonology / Sleep and breathing disorders

Upper airway resistance syndrome

Also known as: UARS

Sleep fragmentation from increased upper airway resistance without apneas.

Medical specialty
Pulmonology
Subspecialty
Pulmonology / Sleep and breathing disorders
Sex & age distribution
Male: affected; Female: affected, female predominance; Children: yes
Gene(s) involved
None recorded

Etiology & mechanism

Narrow upper airway causing respiratory effort-related arousals.

Gene(s) involved (0)

No gene recorded.

Symptoms & signs (5)

daytime sleepinessfatigueheadacheinsomniaunrefreshing sleep
SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.