What is "heptabarb"

n. A sedative and hypnotic barbiturate drug, formerly used to treat insomnia.

Heptabarb ( INN; Eudan, Medapan, Medomin, Noctyn), also known as heptabarbitone ( BAN) or heptabarbital, is a sedative and hypnotic drug of the barbiturate family. It was used in Europe for the treatment of insomnia from the 1950s onwards, but has since been discontinued.