Qiyām al-Layl

‘Abdullāh ibn ‘Amr ibn al-‘Ās (may Allah be pleased with him) reported: The Messenger of Allah (may Allah’s peace and blessings be upon him) said to me: "O ‘Abdullāh, do not be like so-and-so. He used to offer Qiyām al-Layl and then abandoned it." [Sahih/Authentic] - [Al-Bukhari and Muslim]