Proof that Mondays stink

Two Cornell researchers measured mood over the course of a week by analyzing key words — yes, "sucks," "awesome" and :) were among them — in two years' worth of tweets from 2.4 million people’s Twitter accounts. They found that throughout the world, weekends rock and Monday mornings are a downer.

Positive

Percentage of words that expressed positive mood (indicating feelings such as enthusiasm and delight)

In general, people woke up optimistic, but that waned during the workday. They perked up again after 6 p.m.

Positive

More

Less

Sun.

Mon.

Tue.

Wed.

Thu.

Fri.

Sat.

a.m.

p.m.

Negative

Percentage of words that expressed negative mood (indicating feelings such as fear, guilt, anxiety, anger)

The mood in the wee hours was decidedly negative but represented a very small number of tweets. So the few people who weren’t asleep were not happy.

Negative

More

Less

Sun.

Mon.

Tue.

Wed.

Thu.

Fri.

Sat.

a.m.

p.m.

SOURCE: Scott A. Golder and Michael W. Macy of Cornell University. GRAPHIC: Wilson Andrews and Bonnie Berkowitz - The Washington Post. Published Sept 29, 2011.