Twilight sleep is an amnesic condition characterized by insensibility to pain without loss of consciousness, induced by an injection of morphine and scopolamine, especially to relieve the pain of childbirth. Also known as a "zombie state." Amnesia (or amnaesia in Commonwealth English) is a condition in which memory is disturbed. ... Look up Pain in Wiktionary, the free dictionary. ... Consciousness is a quality of the mind generally regarded to comprise qualities such as subjectivity, self-awareness, sentience, sapience, and the ability to perceive the relationship between oneself and ones environment. ... Morphine (INN), the principal active agent in opium, is a powerful opioid analgesic drug. ... Scopolamine, also known as hyoscine, is a tropane alkaloid drug obtained from plants of the Solanaceae family (Nightshade), such as henbane or jimson weed (Datura stramonium). ... Childbirth (also called labo(u)r, birth, partus or parturition) is the culmination of a human pregnancy with the emergence of a newborn infant from its mothers uterus. ... A zombie is traditionally an undead person in the Caribbean spiritual belief system of voodoo. ...