Tahajjud (Arabic: تهجد‎), also known as the "night prayer" is a voluntary prayer, performed by followers of Islam. It is not one of the five obligatory prayers required of all Muslims, yet still, the Islamic prophet, Muhammad has been recorded as performing the tahajjud prayer regularly and encouraging his companions to offer it to God for its many rewards and benefits, and a way to purify the soul, enabling it to approach the Realm of God. The Night prayer is basically one of the ways (along with fasting and meditating on the verses of the Quran) which make the presence of God in the life of the Muslim become a conscious, living, and intensely experienced reality.

In his famous work, Fiqh As-Sunnah, Sheikh Sayyid Sabiq elaborates on the subject of Tahajjud as follows:

Ordering His Messenger to perform Tahajjud, Allah Almighty says what means:

This order, although it was specifically directed to Muhammad, also refers to all Muslims, since Muhammad is to be the perfect example and guide for them in all matters.

Zakir Abdul Karim Naik (Urdu: ذاکر عبدالکریم نائیک; born 18 October 1965) is an Indian public speaker on the subject of Islam and comparative religion. He is the founder and president of the Islamic Research Foundation (IRF), a non-profit organisation that owns the Peace TV channel based in Dubai, UAE. He is sometimes referred to as a televangelist. Before becoming a public speaker, he trained as a doctor. He has written two booklets on Islam and comparative religion. He is regarded as an exponent of the Salafi ideology; he places a strong emphasis on individual scholarship and the rejection of "blind Taqlid", which has led him to repudiate the relevance of sectarian or Madh'hab designations, all the while reaffirming their importance.

Zakir Abdul Karim Naik was born on 18 October 1965 in Mumbai, India. He attended St. Peter's High School in Mumbai. Later he enrolled at Kishinchand Chellaram College, before studying medicine at Topiwala National Medical College and Nair Hospital and later the University of Mumbai, where he obtained a Bachelor of Medicine and Surgery (MBBS). His wife, Farhat Naik, works for the women's section of the IRF.

Junaid Jamshed (Urdu: جنید جمشید; born September 3, 1964) is a Pakistani recording artist who gained fame as the frontman of the pop group, Vital Signs in 1987 with the hit song, "Dil Dil Pakistan", and remained in demand throughout the 1990s. In 1994, he released his debut solo album, Junaid of Vital Signs, which also quickly became a national hit, followed by Us Rah Par in 1999 and Dil Ki Baat in 2000

Since then, he has focused on Islam and concentrated on reciting nasheeds. His debut religious album, Jalwa-e-Janan was released in 2005 and was followed by Mehboob-e-Yazdaan in 2006, Badr-ud-Duja in 2008, and Badee-uz-Zaman in 2009. He also runs a boutique with the name "J.", read as "Jay Dot", which has several outlets all over Pakistan.

Junaid Jamshed is the son of Pakistan Air Force Group Captain (retired) Jamshed Akber Khan and Nafeesa Akber Khan. Jamshed wanted to join Pakistan Air Force as a fighter pilot. He studied pre-engineering before joining University of Engineering and Technology, Lahore where he completed his university degree, graduating in 1990. Despite joining the Pakistan Air Force, he moved on to a career in Aeronautical Engineering due to his weak eyesight.