Excellence of Standing in Prayer at Night Riyad as-Salihin 1173

Arabic hadith text
وعنها أن النبي صلى الله عليه وسلم، كان ينام أول الليل، ويقوم آخره فيصلي‏.‏ ‏(‏‏(‏متفق عليه‏)‏‏)‏ ‏.‏
Translation
'Aishah (May Allah be pleased with her) reported

The Prophet (ﷺ) would sleep during the early part of night and stand in Salat during the latter part.[Al-Bukhari and Muslim].