بِاسْمِكَ اللَّهُمَّ أَمُوتُ وَأَحْيَا
Purpose Sleep with trust in Allah.
When to Use Read this before sleeping at night.
Source Hisnul Muslim

Transliteration

Bismika Allahumma amutu wa ahya.

Meaning

In Your name, O Allah, I die and I live.