English Reference

Word

sleeping

Phoneticssleep·ing, stress on the first syllable

US/ˈsɫipɪŋ/

UK/slˈiːpɪŋ/

Definitions

01the state of rest

A1 · Beginner Uncountable noun

n. the natural state of rest where your eyes are closed and your body is inactive.

n. the physiological state of rest characterized by altered consciousness and inhibited sensory activity.

“The doctor told him that regular sleeping habits are important for his health.”

“Research suggests that consistent sleeping patterns are more beneficial for cognitive recovery than occasional long periods of rest.”

Synonyms

Antonyms

wakefulness

02currently asleep

A2 · Elementary

adj. in a state of sleep right now.

adj. being in the state of sleep; currently slumbering.

“Please be quiet because there is a sleeping baby in the next room.”

“The nurse checked on the sleeping patients every hour to ensure their monitors were functioning correctly.”

Synonyms

Antonyms

03used for sleep

A2 · Elementary

adj. describes something you use when you sleep.

adj. relating to or intended for use during sleep.

“We bought a warm sleeping bag for our camping trip in the mountains.”

“The traveler took a sleeping pill to help adjust to the significant time zone difference during the flight.”

Word family

NOUN

sleeping(A1)

ADJECTIVE

Idioms

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.A1 MoversIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.2.0–3.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 1.0–1.50–23TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.120–224
Frequency
Common
Level
A1 · Beginner
Updated

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