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

Other days

hoodie

Hoodie Day
pick me

Pick Me Day
slime

Slime Day
self care

Self Care Day
coffee

Coffee Day
first love

First Love Day
pumpkin

Pumpkin Day
artists

Artists Day
ask out your crush

Ask Out Your Crush Day
blanket fort

Blanket Fort Day