noun
sleep paralysis
Medical term for the temporary inability to move or speak while falling asleep or waking up.
睡眠麻痺は、入眠時や覚醒時に起こることがあります。
Sleep paralysis can occur when falling asleep or waking up.
彼は睡眠麻痺の症状について医師に相談した。
He consulted a doctor about his sleep paralysis symptoms.