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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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sleep well

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "sleep well" is correct and usable in written English.
You can use it to wish someone a restful night's sleep or to inform them that you hope they sleep well. For example, you could write, "I hope you sleep well tonight."

✓ Grammatically correct

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

I'd sleep well.

News & Media

Independent

"Sleep well," he says.

News & Media

Independent

Sleep well darling Nana.

News & Media

The New York Times

Sleep well little angel".

News & Media

The Guardian

I didn't sleep well.

News & Media

The New Yorker

"Sleep well," Fanushka said.

News & Media

The New Yorker

I'll sleep well tonight".

"You don't sleep well.

News & Media

The New York Times

"I sleep well.

News & Media

Independent

Sleep well, coastal residents.

News & Media

The New York Times

Sleep well, dear friend.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

Use "sleep well" as a warm and sincere way to wish someone a good night, especially when you care about their well-being. It's suitable for ending conversations with friends, family, or colleagues.

Common error

While generally acceptable, avoid using "sleep well" in highly formal or professional correspondence. Opt for a more neutral closing if the context demands it.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

81%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "sleep well" functions primarily as an interjection or well-wishing phrase. It's used to convey a sincere hope that someone has a restful and peaceful night's sleep. Ludwig confirms its common and correct usage.

Expression frequency: Very common

Frequent in

News & Media

50%

Wiki

30%

Science

5%

Less common in

Formal & Business

5%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "sleep well" is a grammatically sound and frequently used phrase to wish someone a good night's rest. Ludwig AI confirms its correctness and commonality. While suitable for most everyday contexts, it may be less appropriate in highly formal settings. It is most frequently found in "News & Media" and "Wiki" sources. Alternatives include "have a good night's sleep" or "rest soundly". Remember to use this phrase to show care and consideration for others' well-being as they prepare for sleep.

FAQs

How can I use "sleep well" in a sentence?

You can use "sleep well" as a parting wish, like "Goodnight, I hope you "sleep well"". It's also used to inquire about the quality of someone's sleep: "Did you "sleep well" last night?"

What are some alternatives to saying "sleep well"?

Instead of "sleep well", you could say "have a good night's sleep", "rest soundly", or simply "goodnight", depending on the context and your relationship with the person.

Is it grammatically correct to say "sleep well"?

Yes, "sleep well" is grammatically correct. "Sleep" is the verb, and "well" is an adverb modifying the verb, indicating the manner of sleeping.

What's the difference between "sleep well" and "sleep good"?

"Sleep well" is grammatically correct because "well" is an adverb modifying the verb "sleep". "Sleep good" is incorrect; "good" is an adjective and cannot modify a verb.

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Source & Trust

81%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: