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