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Smartphones – the worst offenders?

1111111111111A recent study, co-authored by a Michigan State professor, surveyed a broad spectrum of US workers and discovered that people who monitored their smart phones for business purposes after 9pm were more tired and less engaged the following day. (The Telegraph, Jan. 14, 2014)

“Smartphones are almost perfectly designed to disrupt sleep,” said Russell Johnson, MSU assistant professor of management. “Because they keep us mentally engaged late into the evening, they make it hard to detach from work so we can relax and fall asleep.”

The study compared smartphone usage to other electronic devices and found that smart phones had a bigger negative effect than watching television and using laptops or tablets. These studies demonstrate that using electronic devices before bedtime, and most especially smart phones, have both a psychological and physiological effect on our ability to sleep.

References

By Agencies. (2014, Jan. 14) Use of a smartphone at night can give you a hangover.  Retrieved on March 19, 2014 from http://www.telegraph.co.uk/technology/10591557/Using-smartphone-at-night-can-give-you-a-hangover.html