Zzz (one can add as much Z that it is wished) is a Onomatopée of language French E whose employment suggests a uninterrupted Bruit and of low intensity, a kind of whistle, which a Projectile by splitting the air or a insect could for example produce while flying.

In particular in Cartoon, it is used to describe the Sommeil by evoking the breath, even the Ronflement, that a character emits in this state. When this one sleeps, it is represented pronouncing this word, and one often associates with it in the bubble of word an object whose action would produce this noise, generally a Scie cutting a log. To note that this word, when it is present in the Dictionnaire S, is often the last.