night night

USAGE SUMMARY

"night night" is a correct and usable phrase in written English.
This phrase is most often used as a way to bid someone goodnight. For example, you could write "Thanks for catching up tonight, night night!".

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

41 human-written examples

Night night.

Independent

Night night everyone!

The Guardian - Sport

"Night, night, digger," he says before bed.

The New York Times

Night, night," says Waits with a final chuckle.

The Guardian - Music

If it's night, night scenes would entertain you.

The New York Times

"God says, 'I will call the night "night"; I will call the heavens "heaven".

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

19 human-written examples

West Berlin's all-night night life has kept it Germany's most truly cosmopolitan city.

The New York Times - Travel

They were up all night, night-after-night reviewing reams of tedious documents line-by-line, letter-by-letter, comma-by-comma.

Stanford University

Women contact me because their husbands spend all night -- night after night -- accessing Internet porn or engaged in online sex.

Huffington Post

By Sunday evening I felt the urge to read the leaves a night-night book and ask if they'd brushed their teeth.

HuffPost

"Night-night, Auntie Glenda!" Phil will leer back, like some sort of licentious pirate.

The Guardian - TV & Radio

Expert writing Tips

Best practice

Use "night night" in informal settings, such as when speaking to children or close friends and family. It's a warm and affectionate way to say goodnight.

Common error

Avoid using "night night" in professional or formal communication. Opt for "goodnight" or "have a good evening" in these situations to maintain a professional tone.

Linguistic Context

The primary grammatical function of "night night" is as an interjection, specifically used as a farewell. It functions similarly to "goodnight", conveying a wish for a pleasant night. This is supported by Ludwig AI, which identifies it as a correct and usable phrase.

Expression frequency: Common

Frequent in

News & Media

47%

Science

20%

Wiki

9%

Less common in

Academia

2%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

The phrase "night night" is an informal interjection used primarily as an affectionate way to say goodnight. Ludwig AI confirms its grammatical correctness and usability, especially in casual settings. While commonly found in News & Media and Science contexts, its register is generally informal, making it suitable for use with children and close acquaintances. Alternatives include "goodnight", "sleep well", and "sweet dreams". Remember to reserve "night night" for informal situations and opt for more formal alternatives in professional contexts.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

goodnight

A standard and formal way to wish someone a good night.

night

A shorter, more casual version of goodnight

sleep well

Wishes someone a restful and peaceful sleep.

sweet dreams

An affectionate way to wish someone pleasant dreams.

have a good sleep

A simple and direct way of wishing someone a good sleep.

see you in the morning

Indicates an expectation of meeting again the next day.

catch you later

An informal farewell, implying a future meeting.

I'm off to bed

Indicates the speaker is going to sleep.

time for bed

Signals that it's time to go to sleep.

lights out

An informal way to announce bedtime.

FAQs

How do you use "night night" in a sentence?

"Night night" is typically used as a short, affectionate way to say goodnight. For example, you might say, "Okay, kids, it's time for bed, night night!"

What's the difference between "night night" and "goodnight"?

"Night night" is an informal and affectionate way of saying goodnight, often used with children or close friends and family. "Goodnight" is more formal and suitable for broader contexts.

What can I say instead of "night night"?

Alternatives to "night night" include "goodnight", "sleep well", or "sweet dreams", depending on the level of formality and affection you want to convey.

Is "night night" grammatically correct?

Yes, "night night" is a grammatically acceptable and commonly used phrase, especially in informal contexts, as a way to say goodnight.