the state of being inattentive or drowsy

अवसन्नता

English Usage: His oscillating focus was a clear sign of his oscitance during the lecture.

Hindi Usage: उसकी अवसन्नता का स्पष्ट संकेत उसके व्याख्यान के दौरान उसकी बदलती ध्यान केंद्रित करने की स्थिति थी।