sleepwalking: meaning, definition, pronunciation and examples

C1
UK/ˈsliːpˌwɔːkɪŋ/US/ˈslipˌwɔkɪŋ/

Neutral, Technical (medical/psychological)

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Quick answer

What does “sleepwalking” mean?

The act of walking or performing other complex behaviors while in a state of deep sleep.

Audio

Pronunciation

Definition

Meaning and Definition

The act of walking or performing other complex behaviors while in a state of deep sleep.

Metaphorically, performing a task, duty, or routine in an automatic, unthinking, or mechanical manner, without full awareness or engagement.

Dialectal Variation

British vs American Usage

Differences

No significant lexical differences. The condition is medically termed 'somnambulism' in both.

Connotations

Identical connotations in both dialects.

Frequency

Comparable frequency in both dialects.

Grammar

How to Use “sleepwalking” in a Sentence

[Subject] was sleepwalking.[Subject] has a history of sleepwalking.to be caught sleepwalking

Vocabulary

Collocations

strong
chronic sleepwalkingsleepwalking episodesleepwalking incident
medium
prone to sleepwalkinghistory of sleepwalkingtreated for sleepwalking
weak
dangerous sleepwalkingchildhood sleepwalkingstop sleepwalking

Examples

Examples of “sleepwalking” in a Sentence

verb

British English

  • He used to sleepwalk quite frequently as a child.
  • The patient was found sleepwalking down the corridor.

American English

  • She sleepwalked into the kitchen last night.
  • If he's stressed, he might start sleepwalking again.

adverb

British English

  • (Rarely used as a standalone adverb; typically part of the verb phrase) He wandered sleepwalkingly through the house. (Very rare/archaic)

American English

  • (Rarely used as a standalone adverb) She moved sleepwalkingly toward the door. (Literary/rare)

adjective

British English

  • She was a chronic sleepwalking patient.
  • The sleepwalking incident was caught on camera.

American English

  • He has a sleepwalking disorder.
  • They installed a sleepwalking alarm.

Usage

Meaning in Context

Business

Metaphorical: 'The board was sleepwalking into a disastrous merger.'

Academic

Clinical study of parasomnias, particularly somnambulism in pediatric populations.

Everyday

Describing a family member who gets up at night.

Technical

A parasomnia of NREM sleep, characterized by complex behaviors during partial arousal from slow-wave sleep.

Vocabulary

Synonyms of “sleepwalking”

Strong

noctambulism (rare/technical)

Weak

night-walking

Vocabulary

Antonyms of “sleepwalking”

lucid awarenessconscious actiondeliberate movement

Watch out

Common Mistakes When Using “sleepwalking”

  • Using 'sleepwalk' as a noun (incorrect: 'He had a sleepwalk.' Correct: 'He had a sleepwalking episode.')
  • Confusing with 'sleep talking' (somniloquy).

FAQ

Frequently Asked Questions

It can be, as the person is unaware of their surroundings and may fall, walk into traffic, or harm themselves unintentionally.

It is generally advised to guide them gently back to bed without forcefully waking them, as abrupt awakening can cause confusion and distress.

Factors include genetics, sleep deprivation, stress, fever, and certain medications. It occurs during deep non-REM sleep.

Yes, treatment may focus on improving sleep hygiene, managing stress, and in some cases, medication or scheduled awakenings.

The act of walking or performing other complex behaviors while in a state of deep sleep.

Sleepwalking is usually neutral, technical (medical/psychological) in register.

Sleepwalking: in British English it is pronounced /ˈsliːpˌwɔːkɪŋ/, and in American English it is pronounced /ˈslipˌwɔkɪŋ/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • Sleepwalking into a crisis (metaphorical: proceeding unconsciously towards danger).

Learning

Memory Aids

Mnemonic

Think: 'WALKING in your SLEEP' – the word is perfectly literal.

Conceptual Metaphor

UNCONSCIOUS IS ASLEEP; AUTOMATIC BEHAVIOR IS SLEEPWALKING.

Practice

Quiz

Fill in the gap
After the stressful event, his childhood habit of returned.
Multiple Choice

What is the primary technical term for sleepwalking?

Practise

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Five interactive tools to remember words, train your ear, and build vocabulary in real context — drawn from this dictionary.

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