The "ding" or buzz of a new text alert is a source of stress for many people, according to a new survey. The messaging app Viber conducted a poll of 2,400 people, to determine their habits regarding texting.

Among the findings of Viber's "21st Century Messaging Etiquette" report:

20%, or one-in-five say they struggle to keep up with all the messages they need to respond to.

12% say they ignore all messages because it’s too stressful to respond to them all.

15% say it's inappropriate to fight over text.

55% regret sending a text message because it damaged a relationship.

48% say it's OK to send sexts

21% have accidentally sent a racy text to the wrong person.