“The Prophet (ﷺ) used to strive hard (in worship) in the last ten nights of Ramadan as he never did at any other time.”
Sunan Ibn Majah Book 7, Hadith 130
← Previous Hadith “We observed I’tikaf with the Messenger of Allah (ﷺ) during the middle ten days of Ramadan. He said: ‘I have been shown Lailatul-Qadr, then I was caused to forget it, so seek it in the last ten night, on the odd-numbered nights.’”

Sunan Ibn Majah Book 7, Hadith 129 Next Hadith → “When the last ten days of Ramadan began, the Prophet (ﷺ) used to stay up at night, tighten his waist- wrap, and wake up his family (to pray).”

Sunan Ibn Majah Book 7, Hadith 131