There are many strange and weird diseases in this world. One such disease is the Kleine-Levin syndrome (KLS). It is a rare disorder where you experience recurring periods of excessive sleepiness. If you have this condition you may sometimes sleep for 20 hours a day. Because of this strange symptom it is also known as the “sleeping beauty syndrome.” This disease is seen more in male patients. In fact almost 70 per cent of cases are in teenage boys. But it can also affect other people irrespective of gender and age. Symptoms of the Sleeping Beauty Syndrome This is not