Source: Bloomberg Business Week
Brain injuries can disrupt the body's production of the hormone melatonin, potentially leading to sleep problems, a new study suggests.
"We've known that people often have problems with sleep after a brain injury, but we haven't known much about the exact causes of these problems," study author Shantha Rajaratnam of Monash University in Victoria, Australia, said in a news release from the American Academy of Neurology.
In the new study, published in the May 25 issue of Neurology, researchers examined 23 people who had suffered severe traumatic brain injuries and 23 healthy people who were the same age. All of the participants were monitored for two nights in a sleep laboratory.
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