The role of histamine in narcolepsy type 1: a narrative review

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23 Oct 2026 0 comments

Narcolepsy type 1 (NT1) is a chronic neurological disorder characterized mainly by impaired wakefulness maintenance and dysregulated rapid eye movement (REM) sleep, which markedly affects patients' daytime functioning and quality of life. The core pathological basis of NT1 is the selective loss of orexinergic neurons. The orexinergic system regulates histaminergic neurons in the tuberomammillary nucleus (TMN) through anatomical projections and functional excitation, while the histaminergic...