Figure 1. Most frequent cataplexy triggers reported in a questionnaire survey of 109 patients with definite cataplexy and documented hypocretin-1 deficiency.

Reprinted from Sleep Medicine, Vol 12(1), Overeem S, et al. The clinical features of cataplexy: a questionnaire study in narcolepsy patients with and without hypocretin-1 deficiency, pages 12-18, Copyright 2011, with permission from Elsevier.²⁷