sacked out

Adjective

idiomatic not-comparable

(idiomatic) Sound asleep, usually from a healthy exhaustion.

Japanese Meaning

ぐっすり眠っている、深い熟睡状態（通常、十分な疲労感による健全な疲労からくる）

After the three-hour hike, she was sacked out on the couch with her hiking boots still on.

3時間のハイキングの後、彼女は登山靴を履いたままソファで疲れ切ってぐっすり眠っていた。

Sense（1）

(idiomatic) Sound asleep, usually from a healthy exhaustion.

The kids are sacked out in the back seat.