Toothfairy's working hours

Saisha had put her tooth under the pillow two days in a row - and Ragu and me, totally forgot to put the coin in the next morning.
Clearly very upset, she asked me, why? .
I told her since Appa was sleeping in the room both the days, the tooth fairy didn't come. The weekend came and again we forgot.

Saisha : The tooth fairy didn't come again.
Me ( rather puzzled) : oh dear. Maybe Appa came in the room again at night?
Saisha : No. I think they don't work on Sat and Sunday.


Hahaha...