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

Other days

self appreciation

Self Appreciation Day
lumpy rug

Lumpy Rug Day
bounce

Bounce Day
pick me

Pick Me Day
pumpkin

Pumpkin Day
martini

Martini Day
artists

Artists Day
my little pony

My Little Pony Day
coffee

Coffee Day
self care

Self Care Day