As per the doctors, a person has to sleep for 6-8 hours in a day to remain healthy. Well, the successful people around the world doesn't follow this Orthodox saying. Today we have ensemble a list of 10 successful people who hardly sleep. Read also: Shah Rukh Khan Lauds SS Rajamouli’s Vision For Making Bahubali 2 1. Shah Rukh Khan – Bollywood Superstar He is the King of Bollywood, who always remains busy in movies and event shows. He hardly gets time to spend with his family. He sleeps 3-4 hours a day which is less than a normal sleep. 2. Jack Dorsey – Twitter Founder And Square CEO He is one of the hard working professionals out there in the competitive world. He spends 8-10 hours at Twitter and then 8-10 hours again at Square. He follows this schedule on a regular basis. That's not all, he even does the jogging at 5:30 am in the morning and sleep just 4-5 hours a day. 3. Mark Zuckerberg – Facebook Founder The whole world knows him as the Facebook founder and he is the gem of a person. He barely sleeps for 5 hours a day and he doesn't waste a minute in choosing his clothes. That's why he mostly visible in the same gray T-shirts. 4. Narendra Modi – Indian Prime Minister At the age of 63, he still remains zestful and happy. He hardly sleeps for 4-5 hours a day but he doesn't forget to do Yoga. 5. Bill Gates – Founder And Ex-CEO of Microsoft He is one of the richest men in the world who hardly sleeps in a night. He is a multi-tasker and handles many things together. He barely sleeps for 6 hours in a day. 6. Marissa Mayer – CEO At Yahoo She is one of the hardworking professionals, who use to work 130 hours weekly at Google. Currently, she is the head at Yahoo but follows the same work schedule. He sleeps 4-6 hours a day. 7. Barack Obama – Former United States President Barack Obama, who loves to work, gets a little time to sleep. He sleeps less than 6 hours a day. 8. Dominic Orr – President And CEO of Aruba Networks As per the report of Wall Street Journal, Dominic sleeps 4 hours in a day. 9. Steve Reinemund – Former PepsiCo CEO He is a fitness freak who wakes up as early as 5 am in the morning. This is not all, he runs for 4 miles to stay fit and healthy. He sleeps for 5-6 hours in a day. 10. Bill Clinton – Former United States President Earlier Bill Clinton used to sleep 5-6 hours in a day but after heart surgery, he sleeps more than the normal time. Overall, these successful people in the world don't follow a normal routine and that's why they created such a big empire. What are your thoughts about this news story? do let us know in the comments section below. Watch also: Ranveer Singh Reveals To Emraan Hashmi And Shahrukh Khan https://www.youtube.com/watch?v=K336yohXXoI