I can definitely confirm the results of this study. Sometimes, unfortunately, for myself, but clearly for a lot of my colleagues and customers.
Stress was directly linked to the number of times people checked their phones on average, and people with the most extreme levels of stress were troubled by “phantom” vibrations when no message had been received, the survey showed.
Simple solutions include turning off notifications for email, text/iMessage, Twitter and IM. You can also configure your email account on your iPhone to not get messages pushed, but only polled on your explicit request. Calms you down significantly and let you be in the moment, e.g. the conversation you are having, the meeting you are in or the dinner you are enjoying with someone who is important to you.