Sarah Hyland, the bouncy actress best known for her role as Haley Dunphy on the ABC sitcom “Modern Family,” went through a dark period in her life that led to suicidal thoughts because of the emotional toll from a failed kidney transplant. When people think about organ transplants, they are less likely to think about the emotional impact. But that can be profound too, according to medical references. Related: Search kidney Melania Trump May Have Rare Hereditary, Sometimes Fatal Kidney Disease Hyland learned first hand after going on an emotional roller coaster after a kidney transplant from her father failed.