Olivia Farnsworth (born 2009) is a British girl who is the only known person in the world to have all three symptoms of chromosome 6p deletion. The three symptoms are lack of pain, lack of hunger and lack of tiredness. Farnsworth is incapable of being hurt, and she does need to eat, she just doesn't feel pain or hunger. As for sleep, it is unknown whether or not she truly needs to sleep, she allegedly went three days without sleep once. She currently takes sleeping pills, which allow her to sleep for around six hours every night.