Oops, it doesn't look like 'go back to sleep day' is a national day..

Other days

china

China Day
bonang

Bonang Day
blanket fort

Blanket Fort Day
kiss a ginger

Kiss A Ginger Day
self appreciation

Self Appreciation Day
self care

Self Care Day
pick me

Pick Me Day
me

Me Day
nae nae

Nae Nae Day
law

Law Day