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Sleepless - Meaning, Definition & English Examples

Sleepless means unable to sleep or lacking sleep. It describes a state of restlessness, often due to stress, illness, or other disturbances preventing someone from falling or staying asleep.

sleepless

/ˈslipləs/ /ˈsliːpləs/

Definition:

Unable to sleep; experiencing a lack of sleep.

Synonyms:

Insomniac, restless, wakeful

Part of Speech:

Adjective

Antonyms:

Sleepy, rested

Common Collocations:

Sleepless night, sleepless hours, sleepless anxiety

Derivatives:

Sleeplessness, sleeplessly

Usage Tips:

Use "sleepless" to describe nights or people unable to sleep, often due to stress or excitement.

Common Phrases:

Sleepless in Seattle, toss and turn sleeplessly, a sleepless vigil

Etymology:

From Old English "slǣplēas," combining "sleep" + "-less," meaning without sleep.

Examples:

  • 1. The baby kept her parents sleepless all night.
  • 2. After the exam, he had a sleepless night worrying about his results.
  • 3. The city’s bright lights left her feeling sleepless and restless.
  • 4. His mind raced with ideas, leaving him sleepless until dawn.

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