잠이나 휴식이 필요한 신체적 또는 정신적 피로 상태.
The physical or mental state of being weary and needing rest or sleep.
예문:
"The long hike left her with a deep sense of tiredness that lasted for days."
"Chronic tiredness can often be a symptom of an underlying medical condition."
"Despite his extreme tiredness, he couldn't stop thinking about the project."