This is not a defect in the PDF; it is a feature. The text is so powerful at quieting the mind that the ego (which thrives on anxiety and planning) often tries to shut the book or scroll away. If you feel sleepy while reading the Ribhu Gita, take it as a sign that the vasanas (past impressions) are being uprooted.
Whether you are a follower of Ramana Maharshi, a student of Vedanta, or simply a human being tired of suffering, the Ribhu Gita offers the most radical solution: There is no solution needed, because the problem never existed. ribhu gita pdf
Ribhu Gita is a seminal text in Advaita Vedanta (non-dualism), forming the sixth section of the ancient Sanskrit epic Siva Rahasya This is not a defect in the PDF; it is a feature