잠을 이루지 못하거나 잠이 부족한 상태의
characterized by or experiencing a lack of sleep; unable to sleep
예문:
"After drinking too much coffee, she spent a sleepless night staring at the ceiling."
"The stress of the move resulted in several sleepless weeks for the entire family."
끊임없이 움직이거나 활동하며 쉬지 않는
continually active or moving; never resting or pausing
예문:
"The sleepless machinery of the factory hummed day and night without pause."
"Poets often describe the sleepless wind that wanders across the empty moors."