| Answer: Salāt al-Tasbīh, it 
    should be appreciated, is not a practice initiated by the Holy Prophet (sws) 
    in the Ummah as a Sunnah. Consequently, we see that it has only been 
    mentioned in some individual reports. Moreover, most famous and widely 
    acknowledged books of H~adīth like Bukhārī and Muslim and some others do not 
    contain this report.  Thus we cannot be sure of 
    the reliably of these reports beyond any doubt. The importance of the prayer 
    (regarding the stress it received) can obviously be ascertained by the fact 
    that it is only mentioned in some individual reports (these reports mostly 
    rely on two basic chain of reporters) of relatively less reliable works of 
    H~adīth.  According to these 
    narratives whoever offers Salāt al-Tasbīh, his previous sins will be 
    forgiven. The Holy Prophet (sws) is reported to have said to Abbās, his 
    uncle, to offer it very often. He said that one must offer it once in a 
    lifetime at least. However, this exhortation does not raise the importance 
    of the prayer in religious obligations. Had the Holy Prophet (sws) intended 
    to include it in the Sunnah he would not have confined this information to 
    only some of the individuals rather he would have disseminated it among the 
    entire generation.  |