Known otherwise as Kleine-Levin Syndrome (KLS), Sleeping Beauty Syndrome is known to be one of the extremely rarest of rare diseases with medical literature recording only about 500 cases around the world. In this rare condition, the body craves excessive sleep for 15-20 hours (hypersomnolence or hypersomnia) and overeating (compulsive hyperphagia) with accompanying neurological tendenciesRead more