😂 Dreams can feel incredibly real because the brain stays highly active during the REM (Rapid Eye Movement) stage of sleep, where most vivid dreams occur. During this stage, the parts of the brain responsible for emotions, senses, and memories are active, while the logical and critical-thinking areas are less active. This combination allows the brain to create detailed sights, sounds, and emotions that feel just as real as when we’re awake. Another reason dreams feel realistic is that while dre