The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
Most lipstick contains fish scales.
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It has been shown that caffeine causes headaches when stopped suddenly and can cause morning headaches that are relieved by a dose of caffeine.
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Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
Pain travels through the body at 350 feet per second!
23
The human heart creates enough pressure to squirt blood 30 ft.
37