Sleep

Definition

The term "sleep" refers to a natural state of rest for the mind and body, characterized by a reduction in consciousness and voluntary movement.

Parts of Speech

• Noun
• Verb

Pronunciation

American English

• IPA Pronunciation: /sliːp/
• Respelling: SLEEP

British English

• IPA Pronunciation: /sliːp/
• Respelling: SLEEP

Etymology

The word "sleep" originates from Old English "slǣpan" (verb) and "slǣp" (noun), meaning "rest" or "sleep," and is derived from Proto-Germanic "*slēpaną" and Proto-Indo-European "*sleb-" meaning "to be weak" or "to relax."

Derivatives

• Sleeper (noun)
• Sleepy (adjective)
• Sleepiness (noun)
• Oversleep (verb)
• Sleepwalk (verb)

Synonyms

• Rest
• Slumber
• Nap

Antonyms

• Wakefulness
• Awake
• Alertness

Usage

The term "sleep" is used to describe the act of resting or being in an unconscious state for physical and mental recovery. For example: "I need to get more sleep," or "He went to sleep early last night."

Related Terms

• Dream: A series of thoughts, images, or sensations occurring during sleep.
• Insomnia: The inability to sleep.
• Hibernation: A prolonged period of rest or inactivity in animals.

Detailed Definitions

Noun

• A natural state of rest: Refers to a regular, essential state for recovery of body and mind.
  • Example: "Getting eight hours of sleep is recommended for adults."
• A period of inactivity or dormancy: Refers to rest in a metaphorical sense, such as plants or machinery.
  • Example: "The volcano has been in sleep for centuries."

Verb

• To rest in a state of reduced consciousness: Refers to the act of engaging in sleep.
  • Example: "She needs to sleep after a long day."
• To spend time resting: Refers to time allocated to sleeping.
  • Example: "He sleeps for at least seven hours each night."