Question: I suffer from doubt and insinuations in my Salaah (Prayers) and Sawm (Fasting). I always have this feeling, and sometimes I doubt Allaah’s existence and that Salah is worthless, etc. Are such insinuations a physical or psychological disease or a bad habit? Am I committing a sin? What will my condition be on the Day of Resurrection when I am brought to account before Allaah? Is there a remedy in Islam for these doubts and insinuations?
Answer: Such doubts and insinuations are from Satan. You should ignore and pay no attention to them… read more here.