(169) باب النَّظَرِ فِي الصَّلاَةِ
Anas b. Malik reported the Messenger of Allah (ﷺ) assaying :
What is the matter that people raise their (Upwards) in prayer. He then said sternly: They should stop doing that, otherwise their sight will be snatched away.
Reference: Sunan Abi Dawud 913
In-book reference: Book 2, Hadith 524
English translation: Book 2, Hadith 913