People dream so much primarily because dreaming is a normal part of the sleep process that plays important roles such as memory consolidation, processing emotions, and mental housekeeping. Excessive or vivid dreaming can be linked to factors like elevated stress or anxiety, certain medications, sleep disorders (e.g., sleep apnea), lifestyle factors such as diet and sleep routines, and unresolved emotional issues or trauma. These conditions can overstimulate the brain during sleep, causing intense, vivid, or frequent dreams that may also lead to daytime fatigue. Dreams are most common and intense during the REM (rapid eye movement) stage of sleep, which usually happens more in the second half of the night. Stress and anxiety frequently amplify dream intensity as the subconscious mind becomes more active while sleeping, reflecting on and processing daily life emotions and challenges. If dreaming feels overwhelming or is interfering with rest and daily functioning, it may be beneficial to examine factors like stress levels, lifestyle habits, possible sleep disorders, or medication effects and consider professional advice if needed.