sleepiness

/'sli:pinis/

Thân thiện

Sleepiness made the student yawn during the lecture.

Definition

1. Noun:
   • A state of being very sleepy, drowsy, or ready to fall asleep: The condition of feeling a strong need or desire to sleep. It is often characterized by heavy eyelids, yawning, and difficulty staying alert or focused.

Usage

• Sleepiness is an uncountable noun describing a general state or feeling. It is often used to explain a lack of alertness or a cause of impaired performance.
• Common collocations include: , , , , .

Examples

• Noun:
  • The warm room and the boring lecture caused intense sleepiness among the students.
  • Driving while experiencing sleepiness is extremely dangerous.
  • A common side effect of this medication is sleepiness.

Advanced Usage

• "to be overcome with sleepiness": to be completely dominated by the feeling of needing to sleep.
  • After the long journey, he was overcome with sleepiness and went straight to bed.

Variants and Related Words

• Sleepy (adj): feeling a need to sleep; drowsy.
  • The child was sleepy after a day at the beach.
• Sleepily (adv): in a sleepy manner.
  • She answered sleepily when the phone rang at midnight.

Synonyms

• Drowsiness: A state of being sleepy and lethargic.
• Somnolence: A formal or medical term for sleepiness.

Antonyms

• Alertness: The state of being vigilant and quick to respond.
• Wakefulness: The condition of being awake and not sleepy.

Học thuật

Noun

1. a very sleepy state
   • sleepiness causes many driving accidents

Từ đồng nghĩa

• drowsiness
• somnolence