1. (n.) A cap worn in bed to protect the head, or in undress.

2. (n.) A potion of spirit drank at bedtime.

Mickey Mickey Finn anesthetic aperitif chaser cocktail doch-an-dorrach drink eye-opener highball hypnotic knockout drops lullaby mandrake mixed drink morphia morphine opiate opium parting cup poppy pousse-cafe punch sedative sleep-bringer sleep-inducer sleep-producer somnifacient soporific stirrup cup sundowner wee doch-an-dorrach