Noun: twilight sleep 'twI,lIt sleep
- A state of general anaesthesia in which the person retains a slight degree of consciousness; can be induced by injection of scopolamine or morphine
"Twilight sleep was once popular for childbirth but is rarely used now due to safety concerns"
Derived forms: twilight sleeps
Type of: general anaesthesia [Brit, Cdn], general anesthesia [N. Amer]
Encyclopedia: Twilight sleep