Istikhara (seeking guidance) (Sleep)
O Allah, I seek Your guidance by Your knowledge.
SleepHisnul Muslim
اللَّهُمَّ إِنِّي أَسْتَخِيرُكَ بِعِلْمِكَ
Transliteration
Allahumma inni astakhiruka bi 'ilmik
Meaning
O Allah, I seek Your guidance by Your knowledge.
When to say
When needing to choose between options.
Reference
Al-Bukhari
Educational only. Verify wording and grading in a trusted edition or with a qualified scholar.