Resources for Residential/Sleeping Away from home anxiety

Hi All, next month I will take a group of yr4 students away for 2 nights which for many will be there first time away from home. Thanks to Covid, they missed their year 2 and 3 residentials and as such very few of them have ever been away from home. Does anyone know of or have any resources/powerpoints I can use to help deal with the anxiety of being away from home?

Many thanks