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Study: Mood, time of day may be correlated

September 30, 2011 12:00:00 AM PDT
Whether you're in a good mood may have a lot to do with what time of day it is, according to a new study.

Researchers with Cornell University used Twitter to monitor the attitudes of nearly 2.5 million people in 84 countries.

They tracked words like "happy" over the course of a day and week.

It turns out that people are happiest around 7 or 8 a.m. weekdays and on weekends.

However, no matter what day it is, our mood generally dips in the mid-morning, and then rises again in the evening.

Scientists think that might have to do with our biological clocks.


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