Research
Hormonal
Orexin deficiency is the primary cause of narcolepsy, characterized by a loss of orexin-containing neurons in the lateral hypothalamus.
For individuals with narcolepsy, the underlying cause is often the loss of orexin-producing neurons. Treatments may focus on managing symptoms or potentially replacing orexin signaling, as the system is crucial for maintaining wakefulness.
GoodSupportsHIGH confidence
A selective loss orexin neurons was found in narcolepsia, supporting the crucial role of orexins in maintaining wakefulness.
Why this rating
Cited as a well-established fact in the field (Chemelli et al., 1999; Lin et al., 1999) within a comprehensive review.
Source
Orexin System: The Key for a Healthy Life
Sergio Chieffi et al. · Frontiers in Physiology · 2017
DOI 10.3389/fphys.2017.00357
narrative_reviewCited 221×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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