NOMOPHOBIA is a recently developed term which implies fear of missing or losing your mobile phone.Nomophobia was coined during a research study to find out the psychological ramifications and stress level of mobile phone usage on behavior,describe the level of fear generated when a user is unable to communicate through their cell phones.

http://www.macmillandictionary.com/buzzword/entries/nomophobia.html

 If your heart rate accelerates,you feel short of breath,you reach quickly to your pocket and feel a wave of relief as you find your phone is still there,then you are a nomophobe ! Watch out !