India, Feb. 10 -- Marking his podcast debut on nephew Arhaan Khan's Dumb Biryani, actor Salman Khan gave a rare insight into his time spent in prison. While discussing the importance of hard work and discipline, he emphasised that making excuses, such as needing sleep, act as obstacles to success. "'I am tired'. No, get up, no matter how tired you are. 'I don't get sleep'. Don't sleep. Do something; you'll automatically go to sleep. I sleep for two hours, and then, once a month, I sleep for seven hours. On some days, I get a five-minute break between shots, so I sleep on the chair. In places where I cannot do anything, like when I was in jail, I slept. When it comes to your work or family, the effort that you need to keep putting in... you just need to be there for friends, family and work," Salman said. HTC...