The phrase emphasizes undisturbed sleep with no signs of restlessness, just like a log

Deep Uninterrupted Sleep

Often used after physical exertion, suggesting that the sleep is a result of being very tired.

Physical Exhaustion

This idiom is casual and usually used in informal conversations or writing.

Implies an innocent, worry-free sleep, often associated with the blissful slumber of an infant.

Suggests a tranquil night's rest, often used after resolving a stressful situation or hearing good news.

Highlights sleeping through the night without waking up, which is desirable and restful.