Wikipedia
Rehras
Rehras , commonly known as Rehras Sahib or Sodar Rehras, is the daily evening prayer of the Sikhs and is part of Nitnem. It includes hymns from Guru Granth Sahib and Dasam Granth.
It contains hymns of So Dar, So Purakh, Chopai, Anand Sahib and Mundavani, among which Chopai is from Dasam Granth. This Bani is a collection of hymns of five Sikh Gurus: Guru Nanak Dev, Guru Amar Das, Guru Ram Das, Guru Arjan Dev and Guru Gobind Singh.