nightcap

night +‎ cap

nightcap (plural nightcaps)

1. A warm cloth cap worn while sleeping, often with pajamas, being common attire in northern Europe before effective home heating became widespread. [From 14th c.]

   Winston wore a nightcap to stave off the cold.

2. A beverage drunk before bed that is usually alcoholic. [From 1818.]

   I'll make myself a nightcap of whisky and lemon before heading to bed.

3. (by extension, figuratively) Something the person reads or listens to before bed.
   • 1920, Granville Stanley Hall, Recreations of a Psychologist

     " […] and as a nightcap I happened to pick the copy of Plato […] "

4. (US, sports, baseball) The final match of a sporting contest, especially the second game of a baseball doubleheader. [From 1939.]
5. (historical) A cap drawn over the face of the condemned person before they are hanged.

• patching