Sushant used to sleep for 2 hrs, believed humans need only 2 hrs of sleep: Kiara

Kiara Advani, who shared screen space with late actor Sushant Singh Rajput in 'M.S. Dhoni: The Untold Story', has said she found it "fascinating" that Sushant used to sleep only for two hours and still used to show up on the set the next day "energised". He believed that the human body only needs two hours of sleep, Kiara added.