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.
--Sir W. Scott. [1913 Webster] 2. To deprive of strength, activity, or capability for service or use; to disable; to deprive of resources; as, to be financially crippled. [1913 Webster] More serious embarrassments . . . were crippling the energy of the settlement in the Bay. --Palfrey.