noun, noun or participle which takes 'suru'
bed and food; eating and sleeping
Refers to the basic daily activities of sleeping and eating, often used in contexts of neglecting them (e.g., 寝食を忘れる).
彼は研究に夢中で寝食を忘れた。
He was so absorbed in his research that he forgot to eat and sleep.
寝食を共にする仲間。
Comrades who share bed and board.