Phrase guide

sleep tight

intj · phrase · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

intj

Meaning 1

A farewell said shortly before going to bed; usually said between family members or good friends.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: sleep well

Antonyms: none provided

2

phrase

Meaning 2

If one keeps oneself tightly bundled one will sleep warm and rest well.

Definition source: English Wiktionary via Wiktextract

Examples

  • Sleep tight! Don't let the bedbugs bite!

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

The word tight is sometimes explained as here meaning “well, soundly”. However, it can just as well be interpreted in its literal sense of “firm, fast”; compare fast asleep.

Across languages

Translations

16 source translations are retained for this English entry.

  • Catalan: dorm bé — farewell
  • Dutch: welterusten — farewell
  • Dutch: slaapwel — farewell
  • Dutch: slaap lekker — farewell
  • Dutch: trusten — farewell
  • Dutch: truste — farewell
  • French: dors bien — farewell
  • French: dormez bien — farewell
  • German: schlaf gut — farewell
  • German: schlafen Sie gut — farewell
  • Italian: dormi bene — farewell
  • Polish: dobranoc, pchły na noc — farewell
  • Portuguese: durma bem — farewell
  • Spanish: buenas noches — farewell
  • Spanish: duerma bien — farewell
  • Swedish: dröm sött — farewell