The cost of switching your attention from a task is high — it could cut our efficiency by up to 40%, says Dr. Scott Bea. When we get a phone notification, it can even spike our cortisol levels, queuing the “fight or flight” response that is released when we perceive stress or a threat. Add to that the overwhelming anxiety associated with late-night work notifications, and you’ve got a recipe for disaster. Knowing this we will try demystify this behaviour of Notifications by answering some questions such as : What are notifications? How these small notifications are entry to a big trap? How they affect us and how can we manage it?