Oops, it doesn't look like 'lay on my stuff day' is a national day..

Other days

donate your hair

Donate Your Hair Day
boyfriend

Boyfriend Day
coffee

Coffee Day
pick me

Pick Me Day
bow tie

Bow Tie Day
promposal

Promposal Day
martini

Martini Day
slime

Slime Day
ruby

Ruby Day
stud

Stud Day