Published on in Vol 3, No 2 (2020): Jul-Dec
![An Interactive Smartphone App, Nenne Navi, for Improving Children’s Sleep: Pilot Usability Study An Interactive Smartphone App, Nenne Navi, for Improving Children’s Sleep: Pilot Usability Study](https://asset.jmir.pub/assets/f017a07324a235c6a37b4c2d93da00a9.png 480w,https://asset.jmir.pub/assets/f017a07324a235c6a37b4c2d93da00a9.png 960w,https://asset.jmir.pub/assets/f017a07324a235c6a37b4c2d93da00a9.png 1920w,https://asset.jmir.pub/assets/f017a07324a235c6a37b4c2d93da00a9.png 2500w)
1 Molecular Research Center for Children's Mental Development, United Graduate School of Child Development, Osaka University, Suita, Osaka, Japan
2 United Graduate School of Child Development, Osaka University, Suita, Osaka, Japan
3 Department of Oral Physiology, Graduate School of Dentistry, Osaka University, Suita, Osaka, Japan
4 Segawa Memorial Neurological Clinic for Children, Chiyoda, Tokyo, Japan
5 Ota Memorial Sleep Center, Kawasaki, Kanagawa, Japan