Every dua made helps carve out our relationship with Allah subhanahu wa ta’ala.
It is an action which is a demonstration of the believer’s character.
When things go our way it’s important to show humility and to be thankful to the creator which has made it possible. In unfavorable circumstances, worship shows loyalty and true belief. In those moments we ask Allah for help and remain patient.
Allah knows what lies in our hearts and the true intention of the believer.
In today’s dua we explore the hadith and find the Sunnah of Prophet (ﷺ) on what he would recite before going to bed. It is a short dua which is easy to memorize in Arabic and the benefit of learning is you will feel your heart fill with love for Allah (swt).
The more duas you can learn, the more tools you have at your disposal to show remembrance of Allah (swt) in different occasions. And we know sincere remembrance of Allah is one of the greatest acts of worship.
allahumma bismika dua In arabic
The dua written in Arabic text is as follows,
اللهم باسمك أموت وأحيا
Transliteration: Allahumma bismika amutu wa ahya
Meaning of Allahumma bismika amutu wa ahya
The translation of the dua is “O Allah, with Your Name will I die and live (wake up)”. 
There is a second version of this dua which is recorded in Hadith of Sahih Al-Bukhari, it goes:
بِاسْمِكَ اللَّهُمَّ أَمُوتُ وَأَحْيَا
Transliteration: Bismika Allahumma amutu wa ahya 
Translation: With Your name, O Allah, I die and I live
Both variations are recorded in hadith and are authentic.
Full Hadith Dua before sleep:
This dua can be recited in any occasion, the Sunnah of the Prophet (ﷺ) was to recite this dua for lying down and going to sleep. Here is the full hadith:
Hudhaifah (May Allah be pleased with him) reported: Whenever the Prophet (ﷺ) lay down for sleep at night, he would place his (right) hand under his (right) cheek and supplicate: “Allahumma bismika amutu wa ahya [O Allah, with Your Name will I die and live (wake up)].”
Dua When Waking Up:
The hadith continues with dua Prophet (ﷺ) would say when waking up, “And when he woke up, he would supplicate: “Alhamdulillahil ladhi ahyana ba’da ma amatana, wa ilaihin-nushur (All praise is due to Allah, Who has brought us back to life after He has caused us to die, and to Him is the return).” 
 Sahih (Al-Albani) Al-Adab Al-Mufrad Hadith 1205
 Sahih al-Bukhari 6324
 Riyad As Salihin Arabic/English book reference : Book 5, Hadith 817