(23) باب الضِّجْعَةِ عَلَى الشِّقِّ الأَيْمَنِ بَعْدَ رَكْعَتَىِ الْفَجْرِ
Narrated `Aisha:
The Prophet (ﷺ) used to lie down on his right side, after offering two rak`at (Sunna) of the Fajr prayer. (ID)
Reference (ID): Sahih al-Bukhari 1160 (ID)
In-book reference (ID): Book 19, Hadith 39 (ID)
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 2, Book 21, Hadith 257 (ID)