Oops, it doesn't look like 'something nap day' is a national day..

Other days

lisp

Lisp Day
ride the wind

Ride The Wind Day
hiv awareness

Hiv Awareness Day
bounce

Bounce Day
one

One Day
bonang

Bonang Day
kale

Kale Day
tulip

Tulip Day
ruby

Ruby Day
self care

Self Care Day