Head-Mounted Virtual reality (VR) systems provide full-immersive experiences to users and
completely isolate them from the outside world, placing them in unsafe situations. Existing
research proposed different alert-based solutions to address this. Our work builds on these
studies on notification systems for VR environments from a different perspective. We focus
on:(i) exploring alert systems to notify VR users about non-immersed bystanders' in socially
related, non-critical interaction contexts;(ii) understanding how best to provide awareness of …