Excellence of Standing in Prayer at Night Riyad as-Salihin 1180
Arabic hadith text
وعن عائشة رضي الله عنها قالت كان رسول الله صلى الله عليه وسلم إذا قام من الليل افتتح صلاته بركعتين خفيفتين ((رواه مسلم)).
Translation
'Aishah (May Allah be pleased with her) reported
Whenever the Messenger of Allah (ﷺ) stood for Salat at night, he would start his prayer with two brief Rak'ah.[Muslim].