جامع الترمذي

Al-Ala bin Abdur-Raman narrated that : he visited Anas bin Malik in his home in Al Basrah after finishing Zuhr, and his home was next to the Masjid. So he said: 'Stand to pray Asr." He (Al-Ala) said: "So we stood to pray. When we were finished he (Anas) said: 'I heard Allah's Messenger (ﷺ) saying: "That is the prayer of the hypocrite. He sits watching the sun, until when it is between the horns of the Shaitan he stands and pecks out four (units of prayer), not remembering Allah in them but a little."