1. Kevadon, in short term hypnotic effect, is equal to, if not more adequate than, phenobarbital; 2. It seems—and this has to be confirmed with more detailed studies—that Kevadon has less after or "hang over" effect than phenobarbital; 3. It seems to be difficult to produce a prolonged state of sleep with Kevadon; 4. If further control trials substantiate these conclusions, Kevadon will become a valuable hypnotic substance.Abstract Teaser