The Boy Who Couldn’t Sleep: stayed awake 24 hours a day for yearsRhett Lamb is often cranky like any other 3-year-old toddler, but there’s one thing that makes him completely different: he has a rare medical condition in which he can’t sleep a wink.Rhett is awake nearly 24 hours a day, and his condition has baffled hisparents and doctors foryears. They took clock shifts watching his every sleep-deprived mood to determine what ailed the young boy.After a number of conflicting opinions, Shannon and David Lamb finally learned what was wrong with their child: Doctors diagnosed Rhett with an extremely rare condition called chiari malformation."The brain literally is squeezed into the spinalcolumn. What happens is you get compression, squeezing, strangulating of the brain stem, which has all the vital functions that control sleep, speech, our cranial nerves, our circulatory system, even our breathing system," Savard said The Girl Who is Allergic to WaterTeenager Ashleigh Morris can't go swimming, soak in a hot bath or enjoy a shower after a stressful day's work - she's allergic to water. Even sweating brings the 19-year-old out in a painful rash.Ashleigh, from Melbourne, Australia, is allergic to water of any temperature, a condition she's lived with since she was 14. She suffers from an extremely rare skin disorder called Aquagenic Urticaria - so unusual that only a handful of cases are documented worldwide