Working rotating shifts can be hazardous to your health.
Argentinian researchers found people who work rotating shifts have lower levels of serotonin than those working during daytime hours.
Serotonin is a hormone that affects the body's ability to get quality sleep ... low levels of serotonin are associated with anger, depression and anxiety.
People who work rotating shifts sleep 1-4 hours less a day than average .. and many of those workers say they don't sleep well.
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