Prayer at Night (Tahajjud)

Bukhari :: Book 2 :: Volume 21 :: Hadith 252

Narrated 'Abdullah bin 'Amr bin Al-'As:

Allah's Apostle said to me, "O 'Abdullah! Do not be like so and so who used to pray at night and then stopped the night prayer."

Source materials are from the University of Southern California MSA site
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