Before the bulb, people slept an average of 10 hours a night.

Before the invention of the light bulb, people slept an average of 10 hours a night.

Before Thomas Edison invented the light bulb in 1880, people slept an average of 10 hours a night.

Now people sleep for about 7 hours every night.

We work an additional 158 hours every year compared to 20 years ago.

4 out of 10 people say that they regularly cut back on sleep to fulfill their other obligations.

Next Fact: Apple’s app store once had an app called I Am Rich.

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