According to a study, left-side sleepers reported nightmares more often, while right-side sleepers reported calmer dreams.

​Studies suggest that habitual napping benefits health, with the optimal nap time between 2 p.m. and 4 p.m. The ideal nap duration is typically 20 to 30 minutes. ​

Snakes can predict earthquakes up to 75 miles away, five days in advance,. This is likely in response to subtle vibrations or changes in the earth's electromagnetic field.

Earmuffs were invented by 15-year-old Chester Greenwood in 1873 to keep his ears warm while ice-skating. He crafted the first pair using wire, fur, and cloth and patented the design.

Anguilla is a small Caribbean island. In 2024, 23% of its entire annual income came from selling its national domain name, '.ai'.

Only 46% of the world's cultures kiss romantically, according to a 2015 study.

Sweden is so efficient at waste management that only 1% of its garbage ends up in a landfill, with another 52% converted into energy and the remaining 47% recycled.