Kamvasna (the Hindi word for "slumber" or "sleep") follows the story of Rajeev Tandon, a wealthy and influential businessman in his late 30s. On the surface, Rajeev has it all: a thriving career, a beautiful wife, and a luxurious lifestyle. However, his life takes a drastic turn when he's diagnosed with a rare sleep disorder called " Kleine-Levin Syndrome", also known as "Sleeping Beauty Syndrome".