May 26, 2011 · 5 Answers Sorted by: 39 "How and when did the letter Z become to be associated with sleeping?" First of all, zzzz (or z-z-z-z) is sound of snoring, from at least 1918. (Sometimes "a tiny saw cutting through a log" [1948] would be used, and both the snore and saw would make the same z-z-z-z sound.)
ZZ: Zigzag: ZZ: Zinedine Zidane (french football player) ZZ: Zamn Zaddy: ZZ: Ziemlich Zügig (German: Quite Liberally) ZZ: Zu Zeit (German: At This Time) ZZ: Zheng Zhi (soccer player) ZZ: Double Zeta Gundam (Gundam animated series) ZZ: Zombie Zapper: ZZ: Zbierka Zákonov (Slovakia, collection of laws) ZZ: Zugzuender (WW II Pull Igniter) ZZ
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