Noun has 2 senses

• narcoleptic(n = noun.person) - a person who has narcolepsy;

Derived form adjective narcoleptic₁

• narcoleptic(n = noun.artifact) - a soporific drug that produces an uncontrollable desire to sleep;

Derived form adjective narcoleptic₁

Adjective has 1 sense

• narcoleptic(a = adj.pert) - of or relating to narcolepsy;
Derived form noun narcolepsy₁, noun narcoleptic₁, noun narcoleptic₂