To get the effect of reading Shiva SAhasranama .Chant this mantra three times.
Shivo, Maheswaraschaiva , Rudhro , Vishnu , pithamaha ,
SAmsara Vaidhya , Sarvesa , Paramathma SAdashiva.
Shive, Maheswara, Rudra, Vishnu , Brahm,
The doctor of domestic life, The god of all , the divine soul and the Sadashiva.
Or
(Chant 3 times before retiring to bed)
Achyutham, Kesavam , Vishnum , Harim , SAthyam , Janardhanam,
Hamsam Narayanam Krishnam japeth Duswapna SAnthaye.
He who chants “Achyutha , Kesava , Vishnu , Hari , Sathya and Janardhana,
Hamsa , Narayana and Krishna , would make his bad dreams peaceful.