95% of people in the U.S. - and many, many Australians too - watch TV or use other technologies such as computers or cell phones in the hour before bed at least a few nights a week. The National Sleep Foundation, which surveys people on their sleep habits, says exposure to light from screens enhances alertness, making sleep more difficult. 60% of respondents experience sleep problems (snoring, waking, not feeling refreshed) every night or almost every night, the organization says.

Are your bedtime habits keeping you awake?  Find out more at the Annual Sleep in America Poll Exploring Connections with Communications Technology Use and Sleep.