The word "ZZZ" is commonly used to represent the sound of snoring or sleeping. However, there are many other synonyms that can be used to convey the same meaning. Some common synonyms for "ZZZ" include "snooze," "doze," "nap," "rest," and "slumber." Other less common synonyms include "catnap," "siesta," "coma," and "drowse." Each of these words can be used interchangeably with "ZZZ" depending on the context and tone desired. So whether you're writing a lullaby or a bedtime story, there are plenty of options to choose from in order to convey the sense of peaceful, restful sleep.