expression
Proverb meaning that waking up early brings even a small benefit (三文 = a tiny amount of money). Used to encourage rising early.
早起きは三文の徳というから、明日は早く起きよう。
They say the early bird gets the worm, so let's get up early tomorrow.
A traditional Japanese proverb. 三文 (sanmon) refers to a very small amount of money, suggesting that even a modest gain is worth the effort of rising early.