THE SNOOZE BOARD

You can't fight fire with fire, but you can fight boredom with boredom. Send a very direct message with the only letter you need. 

Actual conversation between a snooze board user and their landlord:

Landlord: KEEP THE NOISE DOWN! MANY COMPLAINTS..
Snooze Board User: Zzzz
Landlord: ??? 
Snooze Board User: Zzzz
Landlord: AND PAY RENT ON TIME
Snooze Board User: Zzzz
Landlord: Ok sleep tight <3