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...Zzzz???????????????????95?????????????????????? ????????Z???????????????? Z??????zzz??????????????????????...
https://zhidao.baidu.com/question/1389871246437796460.html
How did the letter Z come to be associated with sleeping/snoring?
...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.) Over time, this became associated with sleep in general, but most comic reference books (e.g. 2006's KA-BOOM!...
https://english.stackexchange.com/questions/27045/how-did-the-letter-z-come-to-be-associated-with-sleeping-snoring
????????zzz????????? - ??
...7 ??? ???? ???? just google for it: ??????Z?????? Z is used in writing to represent the act of sleeping (sometimes as 'zzz' or 'zzzz'). It is used because closed-mouth human snoring often sounds like the pronunciation of the letter...
https://www.zhihu.com/question/22179863
ZZZZ?????? - ????
...ZZZZ??????ZZZZ???????????????????????????????????????????????Z??????????????????????????????????????????...
https://zhidao.baidu.com/question/210753946677315365.html
?zzz??????? - ????
...??????zzz?????????????z???doze??????snooze???? ???????z???????????????zizz???????????????? ??? (1) He felt refreshed after a good zizz.???????????????? (2) He left while I was zizzing.??????????? ......
https://zhidao.baidu.com/question/540966101.html
zzzzz????_????
...zzzzz???????ZZZZZ????????ZZZ???? ??????????ZZZZZ??????????????????????????????????????????ZZZZZ???????...
https://zhidao.baidu.com/question/291433776.html
?zzzz??????????? - ??
...??????????????????????????????? 2011 ? 1 ??????????????????????????????????????????????????????????????????????????????????????????????? ......
https://www.zhihu.com/question/393593657
zzzz????? - ????
...zzzz????? ???????????????????????????????????????????zzz?????????????????????????????????????????...
https://zhidao.baidu.com/question/1906903421752249020.html
?????????Z?????? - ??
...Zzzz ???????????? ??????????????? ????????Z??????????????? ?zzz??????????????? ?~?~?~??~?~?~?zi zi zi? ??????????·??·??????1837-1846??????????...
https://www.zhihu.com/question/21816317
ZZZZ?????? - ????
...??????????????????????????????zzzz???????????????????????????????????zzzz??????????????????????????????...
https://zhidao.baidu.com/question/584586174.html