The Klcinc-Levin Syndrom!' (KLS), a type of periodic hypersomnia, typically occurs in young males presenting with episodes of somnolence, excessive eating and abnormal behaviour. In contrast to other hypersomnias, this is a 'long-cycle hypersomnias' with intervals of months of years between episodes (Lishman, 1987). Bonkalo (1968) alludes to Epimenides, a Cretan poet of the sixth century B. C ,...