Sleeping Beauty Syndrome or Kleine-Levin Syndrome is a complex neurological disorder characterized by recurring periods of excessive amounts of sleep, altered behavior, and a reduced understanding of the world.
Ang Sleeping Beauty Syndrome o Kleine-Levin Syndrome ay isang pambihirang neurological disorder ng sobrang oras ng pagtulog o hypersomnolence at tinatayang may 1 milyon kaso ito sa buong mundo.