During the day you may catch yourself gritting your teeth or rubbing them together. But how can you know if you do this in your sleep?
दाँत पीसने से कभी - कभी इतनी तेज़ आवाज़ होती है कि उसी कमरे में सो रहा दूसरा व्यक्‍ति जाग जाता है ।