HCRT and narcolepsy: #1 (narcolepsy): ti, ab, kw AND (orexin): ti, ab, kw AND (therapy): ti, ab, kw; #2 (narcolepsy): ti, ab, kw AND (hypocretin): ti, ab, kw AND (therapy): ti, ab, kw; #3 (narcolepsy): ti, ab, kw AND (orexin): ti, ab, kw AND (treatment): ti, ab, kw; #4 (narcolepsy): ti, ab, kw AND (hypocretin): ti, ab, kw AND (treatment): ti, ab, kw