CHST3 and narcolepsy: Additionally, more L-HSD/H-HSD patients self-reported issues with snoring (hEDS p < 0.001, HSD p < 0.001) and narcolepsy (hEDS p = 0.14, HSD p = 0.006) than patients diagnosed with hEDS or HSD (Table 9) indicating that patients with L-HSD/H-HSD have some sleep symptoms and comorbidities.