Oops, it doesn't look like 'stay in pjs day' is a national day..

Other days

youth

Youth Day
cuddle up

Cuddle Up Day
stud

Stud Day
hoodie

Hoodie Day
eat what you want

Eat What You Want Day
offer

Offer Day
law

Law Day
healing

Healing Day
get funky

Get Funky Day
one

One Day