Learn how to lucid dream with the help of these expert tips.

Despite how unique our individual lives are, many of us share the same dreams at night. The most common dream themes include flying, falling, snakes, water and losing teeth. These aren’t coincidences.

In a dark room, in the middle of the night, a woman lies dreaming. Suddenly, her eyes beneath their lids dart crisply left-right, left-right. The eye signal means she knows she’s dreaming. Lucid ...