Sleep Dua — Allahumma qini adhabaka
اللَّهُمَّ قِنِي عَذَابَكَ يَوْمَ تَبْعَثُ عِبَادَكَ
“O Allah, protect me from Your punishment on the Day You resurrect Your servants.”
Sunan Abu Dawud 5045
Before Sleep — Allahumma bismika amutu
اللَّهُمَّ بِاسْمِكَ أَمُوتُ وَأَحْيَا
✦
“O Allah, in Your name I die and I live.”
Allahumma bismika amutu wa ahya
— Sahih al-Bukhari 6324
When to Read
When lying down to sleep
Benefits & Virtues
The Prophet (PBUH) would say this when going to sleep and upon waking up.