fall asleep

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Thân thiện
Definition

Verb (intransitive) 1. To begin sleeping; to transition from a state of wakefulness to a state of sleep. - This describes the specific moment or process of entering sleep.

Usage and Examples
  • Basic Usage: The verb "fall asleep" is used to describe the involuntary act of going to sleep. It is intransitive and does not take a direct object.

    • I usually fall asleep within ten minutes of going to bed.
    • The baby finally fell asleep in her mother's arms.
    • He was so tired that he fell asleep on the sofa.
  • Common Contexts:

    • She fell asleep while reading her book.
    • It took me a long time to fall asleep last night.
    • Be quiet, the children have just fallen asleep.
Advanced Usage and Nuances
  • "Fall fast asleep": To enter a deep sleep very quickly.

    • After the long hike, he fell fast asleep as soon as his head hit the pillow.
  • Figurative Use: Can describe something becoming inactive or dormant.

    • The bustling city falls asleep after midnight.
Variants and Related Words
  • Asleep (adjective): In a state of sleep. (e.g., )
  • Sleep (verb): To be in the state of rest. (e.g., ) Note: "Sleep" describes the state, while "fall asleep" describes the transition into that state.
  • Doze off (phrasal verb): To fall asleep lightly or for a short time, often unintentionally.
  • Drop off (phrasal verb, informal): To fall asleep.
Synonyms
  • Doze off
  • Drop off
  • Nod off (implies briefly falling asleep, often while sitting up)
Antonyms
  • Wake up
  • Awaken
Related Phrasal Verbs
  • Nod off: To fall asleep, especially for a short period and often unintentionally while sitting.
    • I nodded off during the meeting and hope no one noticed.
Related Idioms
  • Fall into a deep sleep: To begin sleeping very soundly.
    • The medication caused him to fall into a deep sleep.
Verb
  1. change from a waking to a sleeping state
    • he always falls asleep during lectures