twilight sleep
noun
mass noun
- Medicine a state of partial narcosis or stupor without total loss of consciousness, in particular a state induced by an injection of morphine and scopolamine, formerly popular for use during childbirth【医】（尤指过去常在分娩时注射吗啡, 东莨菪碱后所产生的）朦胧麻醉, 半麻醉。