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

Other days

slime

Slime Day
cuddle up

Cuddle Up Day
lash

Lash Day
polyamory

Polyamory Day
first love

First Love Day
blanket fort

Blanket Fort Day
kiss a ginger

Kiss A Ginger Day
gallery

Gallery Day
believe

Believe Day
stud

Stud Day