Suhayl bin Abi Salah سهيل بن أبي صالح · The Book on Salat (Prayer)

Allah's Messenger said: "The best rows for the men are the first of them, and the worst are the last of them. And the best rows for the women are the last of them, and the worst are the first of them."

"When the Prophet (S) did not pray at night because he was prevented from it by sleep or being sleepy then he would pray twelve Rak'ah during the daytime."