He was making zzz sounds while he slept.
A representation of the sound of snoring or sleeping.
Zzz, this movie is so dull!
Used to indicate boredom or lack of interest.
ជាមួយនឹងវចនានុក្រមរូបភាព និងកាតប្លាសស្កាតដ៏មានអានុភាពដោយឥតគិតថ្លៃ។