sacked out

Etymology
Outgrowth of the earlier idiom, to, with possible influences from other senses of , and , providing an implication that sleep has been thrust upon a person.

Adjective

 * 1)  Sound asleep, usually from a healthy exhaustion.
 * The kids are sacked out in the back seat.

Verb

 * The kids sacked out in the back seat before we made it home.
 * The kids sacked out in the back seat before we made it home.