Have you ever felt your phone vibrate even when the device is at home?

Did you ever feel your phone vibrating in the pocket where you usually keep it even though you left the device at home? You probably thought that you were going crazy. And those with a smartwatch often have the same experience; a familiar vibration that cannot be traced to an incoming call or notification. This has become such a common occurrence that , mental-health experts have a name for it: phantom phone syndrome.

Those suffering from this ailment feel their devices vibrate even when they don't. Michelle Drouin, a psychologist at Purdue University Fort Wayne has ...