If the door is locked it symbolizes an area in life not yet acces­sible to you.

And the rest of us can't even remember what we dreamt about.

Well, consider this: Experts say that keeping a closer eye on your dreams can actually help you improve your life.

"Every night when you dream, you subconsciously assess what's going on in your life," says Gayle Delaney, Ph D, author of What Happens When We Go to Sleep In the first 90 minutes of sleep, you go through deepening stages—ranging from light sleep to deep sleep.

Upon entering REM sleep, your heart rate and breathing become irregular, your eyes move rapidly and your brain activity rises toward the same level as when you're awake.

That's when you do about 80 percent of your active dreaming—and when dreams are most vivid.

You'll go through this sleep cycle three to five times during the night, spending more time in REM sleep with each one until you wake up in the morning.

But here's the fascinating part: During REM sleep, the rest of your body essentially becomes paralyzed. "It's nature's way of making sure you don't act out your dreams, whether it's repeatedly kicking your spouse or jumping off the bed and hurting yourself," explains William Kohler, MD, medical director of the Florida Sleep Institute in Spring Hill.

-to dream of someone dying may be a warning of impending physical death.

Death may also symbolize a person’s need for a spiritual awakening, Eph. Dreaming of death may also be caused by demonic influences -seeing a dog in a dream can symbolize ungrateful, worldly people, or evil men, Ps , Matt. Growling dogs can be demonic sentries sent to guard things.