Sleepover!

Mother has become a big fan of sleepovers. Normally, she has her sleepovers with Melanie in Melanie's room or i'll go lay in bed with her until she falls asleep but lately she has been very demanding and she keeps trying to get me to have sleepovers. I do have a sleepover here and there but not every night. The other night she went to go to bed and asked if I was coming up and when I said no she moaned sadly and whined at me. I finally gave in and told her I had to go downstairs to get my glasses and as I was leaving she asked where I was going and if I was coming back. Once I confirmed this, again, she said, "ok, good". How can you deny little old Fannie a sleepover?