Your smartphone is making you hallucinate. It's called phantom vibration syndrome yes, it's a real psychological phenomenon and studies in the past few years have found, when surveying college undergraduates, Quiet or Vibrate Cell Phone Sign Save 10% Instantly Is Knee Clicking Harmless Or A Red Flag? Dr. Pamela Mehta, MD Why Your Phone Vibrates but Doesn't Ring on Incoming Calls iGenius Phone Repair iGenius Phone Repair