If you start the day feeling positive but feel yourself growing increasingly glum as it slugs along, you’re not alone. A new study using Twitter to track daily, global mood swings found that people tend to have two peaks, happiness-wise: early in the morning and then again around midnight, reports the Huffington Post. Sociologists at Cornell University tracked more than half a billion tweets from more than 2 million Twitter users across the globe over two years. Relying on language-monitoring software, they found that people tend to be happiest relatively early in the morning, but that good mood deteriorates as the day continues…
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