What's the Difference Between 'Good Night' and 'Goodnight'?

In this blog post we look at when to use good night and when to use goodnight.

'Good Night' or 'Goodnight'?

The difference between "goodnight" and "good night" is primarily one of usage and context.

"Goodnight" is a contraction of "good night," and it is often used as a farewell phrase. 

It is a way of saying "goodbye" or "have a good night" to someone as they leave or go to bed. It's a way of wishing them a peaceful and restful night's sleep.

On the other hand, "good night" is often used as a phrase of wishing someone a peaceful and restful night.

It's used as a way to say "sleep well" or "have a good sleep" to someone at the end of the day, it can be used as a casual conversation ender, a greeting or a farewell too.

In general, "goodnight" is used when one is about to depart, or has already left, while "good night" is used when one is still with the other person and is about to go to bed, or as a general expression of good wishes for the night.

It's important to note that both "goodnight" and "good night" can be used interchangeably in most cases and it's more of a personal preference and cultural variations in the way people say it.

Here are some example sentences to show the subtle difference between “good night” and “goodnight”:

  1. "Goodnight, I'll see you tomorrow." - In this example, "goodnight" is used as a farewell phrase. The speaker is saying goodbye to the person they are talking to and wishing them a good night's sleep.

  2. "Good night, sweet dreams." - In this example, "good night" is used as a phrase of wishing someone a peaceful and restful night. The speaker is wishing the person they are talking to a good night's sleep and sweet dreams.

  3. "I had a great time tonight. Goodnight!" - In this example, "goodnight" is used as a farewell phrase indicating the end of the evening and wishing the person a good night's sleep.

  4. "I am tired, good night everyone" - In this example, "good night" is used as a general expression of good wishes for the night. The speaker expressing their tiredness and wishing everyone a good night's sleep.

  5. "Goodnight, I'll call you tomorrow" - In this example, "goodnight" is used as a farewell phrase indicating the end of a phone call and wishing the person a good night's sleep.

  6. "Good night, I am off to bed" - In this example, "good night" is used as a phrase of wishing someone a peaceful and restful night. The speaker is expressing they are going to bed and wishing the person they are talking to a good night's sleep.

Examples of Good Night in a Sentence

  1. "I hope you have a good night."

  2. "Wishing you a good night's sleep."

  3. "Good night, sweet dreams."

  4. "Good night and sleep well."

  5. "Have a good night, see you tomorrow."

  6. "Good night, don't let the bed bugs bite."

  7. "Good night, it was nice talking to you."

  8. "Good night, I'll talk to you later."

  9. "I'm off to bed, good night."

  10. "Good night, have a restful night."

Examples of Goodnight in a Sentence

  1. "I'll see you in the morning, goodnight."

  2. "Goodnight, I'll call you tomorrow."

  3. "Sweet dreams, goodnight."

  4. "Goodnight, don't let the bed bugs bite."

  5. "I hope you have a good sleep, goodnight."

  6. "Time for bed, goodnight."

  7. "Goodnight, I'm off to bed now."

  8. "Don't let the bed bugs bite, goodnight."

  9. "I'll catch you later, goodnight."

  10. "Have a restful night, goodnight."


Good Night or Goodnight
Good Night or Goodnight