Know when to contact your health care provider Nearly everyone has an occasional sleepless night. However, if you often have trouble sleeping, contact your health care provider. Identifying and treating any underlying causes can help you get the better sleep you deserve.

Talk to your healthcare provider if you regularly have problems sleeping or notice signs or symptoms of common sleep disorders. Your provider can run tests, including sleep studies, to tell if you have a sleep disorder.

You spend about one-third of your life sleeping, but it’s still something many struggle with. Researchers and experts also struggle with it because of the mysteries surrounding how and why we sleep and what happens to us while we do.

Tiger ... The tiger (Panthera tigris) is a large cat and a member of the genus Panthera native to Asia. It has a powerful, muscular body with a large head and paws, a long tail and orange fur with black, mostly vertical stripes.

The tiger is a large, carnivorous mammal and the largest living big cat. Their distinctive fur is orange and white with dark vertical stripes. The pattern of stripes is unique to each individual.

tiger, (Panthera tigris), largest member of the cat family (Felidae), rivaled only by the lion (Panthera leo) in strength and ferocity; it is a famous apex predator (meaning without a natural predator or enemy).