New Zealander George Hudson proposed the modern idea of daylight saving in 1895. Germany and Austria-Hungary organized the first implementation, starting on 30 April 1916. Many countries have used it at various times since then, particularly since the energy crisis of the 1970s.
Medical Definition of DISABLE. : to deprive of a mental or physical capacity.
functional limitation, n according to the World Health Organization (WHO), any health problem that prevents a person from completing a range of tasks, whether simple or complex.