fall asleep

verb

"fall-asleep" is a 10-letter English headword indexed on PlainSpell.

The verdict

“fall asleep” is uncommon English (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To pass from a state of wakefulness into sleep.

Corpus desk

Index EN-fall-asleep · fall asleep · English

fall asleep · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "F" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for fall asleep
PropertyValue
Headwordfall asleep
LanguageEnglish
Part of speechVerb
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “fall asleep” sits in English frequency

fall asleepfalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

fall asleep is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. 3 senses are on record.

fall asleep doesn't appear in our generated misspelling index, typically a sign the spelling maps closely to how the word sounds. We don't track a confusable pairing for this entry, which typically means the spelling is too distinctive to be mistaken for another word.

Our source data has no etymology on file for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is fall asleep, spelled F-A-L-L- -A-S-L-E-E-P.

Definition

  1. 1
    To pass from a state of wakefulness into sleep.
  2. 2
    To be affected by paresthesia; to go numb.
  3. 3
    To die (often seen on gravestones).

Recorded use

Wiktionary examples

These source excerpts show how fall asleep appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. She wakened in sharp panic, bewildered by the grotesquerie of some half-remembered dream in contrast with the harshness of inclement fact, drowsily realizing that since she had fallen asleep it had come on to rain smartly out of a shrouded sky.
  2. My left leg has fallen asleep!

Synonyms

Antonyms

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "fall asleep"?
"fall asleep" is spelled F-A-L-L- -A-S-L-E-E-P.
What does "fall asleep" mean?
As a verb, "fall asleep" means: To pass from a state of wakefulness into sleep.
What language does "fall asleep" come from?
"fall asleep" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

What to do next

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PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list