Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
The human heart creates enough pressure to squirt blood 30 ft.
37
In older people, memory is best early in the morning and then declines during the late afternoon.
33
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
