(also known as rallying, terminal rally, the rally, end-of-life-experience, energy surge, the surge, or pre-mortem surge) an unexpected return of consciousness, mental clarity or memory shortly before death in individuals with severe psychiatric or neurological disorders.

a technique of sex magic known best by its formulation by English author and occultist Aleister Crowley in 1912, but which has several variations and is used in a number of ways by different spiritual communities.

"Silent Lucidity" is a power ballad by the band Queensrÿche from the 1990 album Empire.