Sharing via an iOS device
Sharing via an Android device
https://support.withings.com/hc/ja/sections/6215968652817-Sleep-%E7%B1%B3%E5%9B%BD
https://support.withings.com/hc/ja/sections/4411162567185-Tutorials-%E7%B1%B3%E5%9B%BD%E3%81%AE%E3%81%BF