Video Games May Not Delay Sleep Much

ADELAIDE, Australia, April 17 (UPI) — Older male teens who played a video game before going to bed had their sleep delayed just a few minutes, researchers in Australia found.

Michael Gradisar, a senior lecturer in clinical child psychology at Flinders University in Adelaide, Australia, said the study involved 13 male students ages 14-18 who usually took less than 15 minutes to fall asleep.


The study subjects did not have excessive daytime sleepiness and had no identifiable sleep disorders.

During the 50-minute experiment the teens played the Sony PlayStation 3 video game “Call of Duty 4: Modern Warfare.” On a different night, the same study participants spent an equal amount of time watching the 2006 documentary “March of the Penguins.”

“We purposefully chose a very tranquil movie to contrast against the very stimulating effect of playing a violent video game in the hope of producing the greatest effect on sleep,” Gradisar said in a statement.

The study, published in the Journal of Clinical Sleep Medicine, found it took a median of 7.5 minutes for the teens who played the video games to fall asleep, while it took about 3 minutes for the teens to fall asleep after watching the documentary.

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