About 15% sleep less than 6 hours, and a somniferous 15% slumber on for more than hours.
Some in the audience were already beginning to drowse under the somniferous spell of Marxist platitudes when the chairman of the meeting suddenly barked: "We have an important .
Fidel Castro in Xinhua Castro recalled that Villoldo's father, a successful businessman, "took his life with an overdose of somniferous" shortly after the guerilla took power in Cuba.