It’s not uncommon for puppies to twitch, whine, or even bark softly as their dreams unfold, much to the amusement and fascination of their human companions.

People with MS may experience a variety of vision issues, including inflammation of the optic nerve, double vision, and involuntary twitching of the eye muscles. Multiple sclerosis (MS ...

Some people experience fluttering sounds in the ears that come and go, while others may hear a continuous sound. Causes include tinnitus, dysfunction of tissues in the ear, and high blood pressure ...