Is Sleeping a Being Verb?

What type of word is sleeping? As detailed above, 'sleeping' can be a verb, an adjective or a noun.

What type of verb is sleeping?

Sleep can be both intransitive and transitive, as defined in Merriam-Webster. We need to be very flexible in determining whether one verb is transitive or intransitive as sleep has a transitive verb usage, but it cannot be passivized. It cannot be passivised, but still is a transitive verb.

Is sleeping an active verb?

Action words, or action verbs, simply express an action. The action is something the subject of the sentence or clause is doing and includes sleeping, sitting, and napping—so even though there is no movement, there is still an action. Other examples are: Crawl.