The Vishnu sahasranāma means thousand names of Vishnu. It is also one of the most sacred and commonly chanted stotras in Hinduism. It is widely accepted that the chanting or listening of this Stotra gives relief from all problems,freedom from anger,and leads to happiness and peace of mind. Vishnu sahasranama is in conformity with the teachings of the BhagavadGita.

If you like to listen to the stotra, here is the link, click on Vishnu sahasranama at the right hand corner  and listen to the greatness of the strotram.