Sahih al Bukhari Hadith
Volume # 3
Hadith # 241
Narrator: Aisha (RadiAllahu Anha)
Keeping family members awake for prayers
With the start of the last ten days of Ramadan, the Prophet
(SalAllahu A'layhe Wassalam) 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.