कदाचिदह्ना मासेन कदाचिद्वत्सरेण च ।कदाचिद्वत्सरौघेण ध्यानासक्तो व्यबुध्यत
In plain words
Sometimes he would wake after a single day, sometimes after a month, sometimes after a year, and sometimes after a whole flood of years — so absorbed was he in dhyāna.