coffee nap

[kaw-fee nap, kof-ee]

noun

1. a short nap, usually 15–30 minutes, taken immediately after drinking a cup of coffee, the claimed benefit being that the energizing effect of caffeine may be bolstered by a sleeping body’s drop in adenosine levels.

   We were encouraged to take coffee naps after lunch, but all that makes me want to do is skip the java and have a nice long snooze!

Word History and Origins

Origin of coffee nap¹

First recorded in 2010–15

Example Sentences

For those who have a hard time resisting longer naps, Rod Mitchell, a Calgary psychologist with expertise in cognitive behavioral therapy for insomnia, recommends offsetting grogginess with a "coffee nap."

Read more on Salon

The problem with the so called "coffee nap" is that it introduces time pressure, which can make it harder to fall asleep.

Read more on BBC