Amitabh Bachchan continues to work tirelessly well into his 80s. The actor took to his blog in the wee hours of Tuesday morning to open up on why he’s spending sleepless nights working and what he’s doing to ensure that he’s lured into the medically advised minimum sleep of seven hours. “No sleep process takes over at this hour of the morning from the night before. Why? Because work is more important than sleep… medical says it’s not right… must get 7 hrs minimum… the body grows, develops and repairs in the sleep hours… so what does one do? (sic),” wrote Bachchan on his blog, insisting that work holds more importance for him than sleep, even at the age of 83. “As I work, I am glued to the EB Blog but in the silence of the night that gentle music on slide guitar – sitar rendering some of the most soulful classical meditation solos… aaah!! There is no better cure for the soul than this.…