It is narrated from Bilal (may Allah be pleased with him) that the Messenger of Allah (peace and blessings of Allah be upon him) said: "Observe the night prayer, that is, Tahajjud, for it was the practice of the righteous before you, and the night prayer, that is, Tahajjud, is a means of drawing closer to Allah, staying away from sins, erasing evil deeds, and driving diseases away from the body." © Imam Tirmidhi says:
1- This hadith is gharib,
2- And we know it from Bilal (may Allah be pleased with him) only through this chain, and it is not authentic with regard to its chain,
3- I heard Muhammad bin Ismail Bukhari say: Muhammad Quraishi is Muhammad bin Saeed Shami, and he is the son of Abu Qais, and this (Abu Qais) is Muhammad bin Hassan, and the hadith narrated by him (Muhammad Quraishi) is not accepted.