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, Why Does My Phone Randomly Vibrate? Oura Ring 4 Review: The Best Smart Ring Got Even Better New Oura Ring feature measures your ability to recover from stress ZDNET I only want my phone to ring for calls, vibrate for others : r GalaxyS23 Oura Ring review: love the feature changes, hate the new subscription AppleInsider