Conversely, several data showed the poor test–retest reliability of standard MSLT data for CDH diagnosis in non‐cataplectic/hypocretin deficient patients (Lopez et al. 2017; Trotti, Staab, et al. 2013; Um et al. 2017; Ruoff et al. 2018). The gene discussed is HCRT; the disease is congenital diaphragmatic hernia.