Characteristics of Prayer

Bukhari :: Book 1 :: Volume 12 :: Hadith 717

Narrated Anas bin Malik:

The Prophet said, "What is wrong with those people who look towards the sky during the prayer?" His talk grew stern while delivering this speech and he said, "They should stop (looking towards the sky during the prayer); otherwise their eye-sight would be taken away."

Source materials are from the University of Southern California MSA site
Hadith eBooks converted from Imaan Star