A survey conducted on 83 college students found that the more text messages they sent, the harder is was for them to get a good night's sleep; the study was written up in the Psychology of Popular Media Culture. Because most people sleep right next to their phone, a late night texting session usually results in a number of responses from those you are passing messages back and forth with leading to buzzing and ringing from your phone as these replies come in...Source: http://www.phonearena.com/news/Text-before-bed-time-and-youll-have-trouble-sleeping_id48365
