drowsiness; somnolence; lethargy
Medical term for a state of excessive sleepiness or tendency to fall asleep, often used in clinical descriptions of consciousness levels. More technical than 眠気.
高齢者では傾眠がよく見られる。
Drowsiness is often observed in elderly people.
If you have a tendency toward somnolence, please consult a doctor.
Compound of 傾 (lean, incline) and 眠 (sleep), literally 'inclining toward sleep'. The exact historical derivation is uncertain, but the term is used in modern medical Japanese to describe a state of drowsiness.