Health Buzz: What Mood Is the World in? Just Check Twitter - US News and World Report: Researchers who studied 500 million tweets from 84 countries over two years, searching for 1,000 words (and even emoticons) suggesting positive and negative emotions, found a definite cycle in those 140-character-or-less tweets. We're happy in the morning, with moods peaking around breakfast, Time reports. Afternoons are gloomy, and then we perk up again at night. The same emotional roller coaster was seen across most cultures and countries, according to the study, published Sept. 29 in Science. Other noteworthy findings: People seemed to be especially unhappy on Monday afternoons and particularly happy in the spring."
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