Remove or change the "Monsters waking you up from your sleep" concept
I know it may seem trivial, but the concept of having monsters wake you up from your sleep does not help small children that already have issues with being afraid. My 3 year old refused to continue playing because he was afraid to see the monsters. Maybe even just changing the word monster to something else, like a specific animal. In the end I convinced him to continue playing the other games but allow him to skip that one. Needless to say, he's not getting the full benefit of the app. Please help!