sleepiness Definition

  • 1a feeling of being tired and wanting to sleep
  • 2the state of being inclined to sleep

Using sleepiness: Examples

Take a moment to familiarize yourself with how "sleepiness" can be used in various situations through the following examples!

  • Example

    I can't concentrate on my work because of the sleepiness.

  • Example

    The medication causes drowsiness and sleepiness.

  • Example

    She yawned, a sign of sleepiness.

  • Example

    The driver's sleepiness caused the accident.

sleepiness Synonyms and Antonyms

Antonyms for sleepiness

Phrases with sleepiness

  • trying to stay awake or alert despite feeling tired or drowsy


    He was fighting sleepiness during the long meeting.

  • a persistent feeling of tiredness or drowsiness that lasts for an extended period of time


    Chronic sleepiness can be a symptom of a sleep disorder.

  • a state of drowsiness or fatigue while driving, which can lead to accidents


    Sleepiness at the wheel is a major cause of car accidents.


Summary: sleepiness in Brief

Sleepiness [slee-pee-nis] refers to a feeling of tiredness or drowsiness, often leading to a desire to sleep. It can be caused by various factors such as medication, lack of sleep, or sleep disorders. Phrases like 'fighting sleepiness' and 'sleepiness at the wheel' describe situations where sleepiness can be dangerous. Synonyms include 'drowsiness,' 'fatigue,' and 'lethargy.'