This creature lives for over 270 years, it's found in...

Scientists discovered a 392-year-old Greenland shark, estimating it to be over 500 years old, contradicting earlier claims of 512 years old. The shark, found in the arctic, could be the oldest living vertebrate.

Researchers estimate the creature could have been born around 1505, can swim 7,200 feet deep, and weigh over a tonne.

Thee are 18-foot-long shark found may be 272 to 512 years old, growing at a rate of 1 cm per year.

Increased energy levels:  Getting adequate rest allows your body to recharge completely, leading to increased energy level throughout the day.

Enhanced memory and cognitive function: According to studies, people who get enough sleep have better memory and cognitive function.

The Sun reports the oldest of 28 Greenland sharks, estimated to have a 400-year lifespan, is the oldest, swimming for mates.

Greenland sharks, found in colder, deeper environments, are slow-moving, swimming at rates of less than 3 km per hour, and are rarely encountered by humans.

These are carnivorous species eat various fishes, crustaceans, seabirds, carrion, and terrestrial mammals, possibly falling through ice, as found in stomach analyses.