Sunnah Hadith
• Sunnah of sleeping
Authentic
إِذَا أَتَيْتَ مَضْجَعَكَ فَتَوَضَّأْ وُضُوءَكَ لِلصَّلَاةِ ثُمَّ اضْطَجِعْ عَلَى شِقِّكَ الأَيْمَنِ
Idha atayta madj'aka fatawadda' wudu'aka lis-salati thumma-dtaji' ala shiqqikal-ayman.
"When you go to bed, perform ablution as you do for prayer, then lie down on your right side."
Narrated by: Al-Bara ibn Azib
Sahih Bukhari 247, Sahih Muslim 2710