Drugs used include barbiturates, benzodiazepines, cyclopyrrolone[?], chloral hydrate[?], chlormethiazole[?] or the antihistamines[?] promethazine and diphenhydramine.
... Peterson 1979 Hank Snow 1980 Paul Anka 1981 Joni Mitchell 1982 Neil Young 1983 Glenn Gould 1986 Gordon Lightfoot 1987 The Guess Who[?] 1989 The Band 1990 ...