Diagnosis using ICSD-3, complaints of sleepiness for atleast 3 months, mean sleep latency of MSLT <8 min with ≥2 SOREMPs, hypocretin-1 deficiency (<110 pg/mL, n 1⁄4 37) or, if CSF hypocretin-1 unavailable, clear-cut cataplexy, and positive HLADQB1*0602. Here, HCRT is linked to Cataplexy.