Baby slept through the night.

Meaning: This sentence describes a baby who slept continuously from the beginning to the end of the night.

Choice of Words: Slept is the past tense of sleep, meaning to be in a state of rest with closed eyes. Through means from the beginning to the end of a period of time. Night is the period of darkness between sunset and sunrise.

Alternative Expressions

The baby was fast asleep all night.

Meaning: This means that the baby was sleeping very deeply and didn't wake up once during the night. It's like saying, The baby slept very soundly the whole night.

Choice of Words: Fast is an adjective that means moving or happening quickly. Asleep is an adjective that means sleeping. All is an adjective that means the entire amount or quantity. Night is a noun that refers to the period of time from sunset to sunrise. When you put them together, "The baby was fast asleep all night" means that the baby was sleeping very soundly for the entire night.

The baby snoozed the whole night through.

Meaning: This means that the baby didn't sleep very deeply and may have woken up a few times during the night. It's like saying, The baby slept lightly the whole night.

Choice of Words: Snoozed is a verb that means to sleep lightly or for a short period of time. Whole is an adjective that means the entire amount or quantity. Night is a noun that refers to the period of time from sunset to sunrise. Through is a preposition that means from the beginning to the end of a period of time. When you put them together, "The baby snoozed the whole night through" means that the baby slept lightly for the entire night.

Related Expressions