The first name change is free, while any additional change will cost you 400 Gems, so make sure you are happy with your choice. The avatar change is free though. You can either pick one avatar from the ones available in the gallery (and more will be unlocked as you recruit more heroes) or upload your own picture.Sleep Quality – Ensure your survivors have enough beds and that the temperature inside their Shelters is just right. This can be done by upgrading the Shelpters’ levels and all the sleep...