why do we dream

There are many theories about why we dream, but no one knows for sure. Some researchers say dreams have no purpose or meaning and are nonsensical activities of the sleeping brain. Others say dreams are necessary for mental, emotional, and physical health.

Studies have shown the importance of dreams to our health and well-being. In one study, researchers woke subjects just as they were drifting off into REM sleep. They found that those who were not allowed to dream experienced:

• Increased tension
• Anxiety
• Depression
• Difficulty concentrating
• Lack of coordination
• Weight gain
• Tendency to hallucinate

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