Cats are known for their quirky habits, but one behavior might have a deeper evolutionary significance. According to a new ...

Cats overwhelmingly choose to sleep on their left side, a habit researchers say could be tied to survival. This sleep ...

Cats prefer to sleep on their left side to protect themselves from predators, a study has found. The pets sleep for up to 16 hours a day and often curl up or stretch out for a snooze in opportune ...

Be sure to sleep on your left side to ease heartburn or acid reflux. But this sleeping position may not be ideal because of the curvature of your body.

There are many reasons why your sleep position can impact your health. Here's why people who sleep on their left side are far healthier than those who sleep on the right, according to sleep experts.

Left-side sleepers also tend to have higher levels of confidence. Again, this is potentially linked to their optimistic outlook. Positive self-talk especially promotes self-acceptance and lessens ...