#13 Last ten days
Book of Virtues of the Night of Qadr
(5) Chapter: Good deeds in the last ten days of Ramadan.
Hadith 2024
Narrated Aisha:
With the start of the last ten days of Ramadan, the Prophet (صلى الله عليه و سلم) used to tighten his waist belt (i.e. work hard) and used to pray all the night, and used to keep his family awake for the prayers.