Why Do We Dream ? :: āφāĻŽāĻŋ āĻ•āĻŋāϝāĻŧ āϏāĻĒā§‹āύ āĻĻ⧇āĻ–ā§‹āρ ?


Why Do We Dream ?


Dreams happen mostly during REM sleep. During this stage, the brain remains active. It processes memories, emotions, and experiences. Nerve signals create pictures and story-like scenes. Dreams may help the brain organize information. That is why we see images and events while sleeping.


Words: i. Brain Activity,  ii. Sleeping,  iii. Dream Images,  iv. REM Sleep


Key Point: We dream because the brain stays active during sleep and processes memories and emotions.



āφāĻŽāĻŋ āĻ•āĻŋāϝāĻŧ āϏāĻĒā§‹āύ āĻĻ⧇āĻ–ā§‹āρ ?


āϏāĻĒā§‹āύ āϏāĻžāϧāĻžā§°āĻŖāϤ⧇ REM sleep āĻ…ā§ąāĻ¸ā§āĻĨāĻžāϤ āĻšāϝāĻŧāĨ¤ āĻāχ āϏāĻŽāϝāĻŧāϤ āĻŽāĻ—āϜ āϏāĻ•ā§ā§°āĻŋāϝāĻŧ āĻšā§ˆ āĻĨāĻžāϕ⧇āĨ¤ āχ āĻ¸ā§āĻŽā§ƒāϤāĻŋ, āĻ…āύ⧁āĻ­ā§‚āϤāĻŋ āφ⧰⧁ āĻ…āĻ­āĻŋāĻœā§āĻžāϤāĻžāĻŦā§‹ā§° āĻĒā§ā§°āĻ•ā§ā§°āĻŋāϝāĻŧāĻžāϕ⧰āĻŖ āϕ⧰⧇āĨ¤ āĻ¸ā§āύāĻžāϝāĻŧ⧁⧰ āϏāĻ‚āϕ⧇āϤ⧇ āĻ›āĻŦāĻŋ āφ⧰⧁ āĻ•āĻžāĻšāĻŋāύ⧀⧰ āĻĻ⧰⧇ āĻĻ⧃āĻļā§āϝ āϏ⧃āĻˇā§āϟāĻŋ āϕ⧰⧇āĨ¤ āϏāĻĒā§‹āύ⧇ āĻŽāĻ—āϜāĻ• āϤāĻĨā§āϝāϏāĻŽā§‚āĻš āϏāĻ‚āĻ—āĻ āĻŋāϤ āϕ⧰āĻžāϤ āϏāĻšāĻžāϝāĻŧ āϕ⧰āĻŋāĻŦ āĻĒāĻžā§°ā§‡āĨ¤āϏ⧇āχāĻŦāĻžāĻŦ⧇ āφāĻŽāĻŋ āĻŸā§‹āĻĒāύāĻŋā§° āϏāĻŽāϝāĻŧāϤ āĻŦāĻŋāĻ­āĻŋāĻ¨ā§āύ āĻ›āĻŦāĻŋ āφ⧰⧁ āϘāϟāύāĻž āĻĻ⧇āĻ–ā§‹āρāĨ¤


āĻļāĻŦā§āĻĻ: i. āĻŽāĻ—āϜ⧰ āĻ•āĻžāĻ°ā§āϝāĻ•āϞāĻžāĻĒ,  ii. āĻŸā§‹āĻĒāύāĻŋ,  iii. āϏāĻĒā§‹āύ⧰ āĻ›āĻŦāĻŋ,  iv. REM Sleep


āĻŽā§āĻ–ā§āϝ āĻ•āĻĨāĻž: āφāĻŽāĻŋ āϏāĻĒā§‹āύ āĻĻ⧇āĻ–ā§‹āρ āĻ•āĻžā§°āĻŖ āĻŸā§‹āĻĒāύāĻŋā§° āϏāĻŽāϝāĻŧāϤ⧋ āĻŽāĻ—āϜ āϏāĻ•ā§ā§°āĻŋāϝāĻŧ āĻĨāĻžāϕ⧇ āφ⧰⧁ āĻ¸ā§āĻŽā§ƒāϤāĻŋ āφ⧰⧁ āĻ…āύ⧁āĻ­ā§‚āϤāĻŋāϏāĻŽā§‚āĻš āĻĒā§ā§°āĻ•ā§ā§°āĻŋāϝāĻŧāĻžāϕ⧰āĻŖ āϕ⧰⧇āĨ¤


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MCQ on “Why Do We Dream ?”


1. Dreams mostly happen during which stage of sleep ? āϏāĻĒā§‹āύ āϏāĻžāϧāĻžā§°āĻŖāϤ⧇ āĻŸā§‹āĻĒāύāĻŋā§° āϕ⧋āύ āĻ…ā§ąāĻ¸ā§āĻĨāĻžāϤ āĻšāϝāĻŧ ?


A. Deep sleep B. REM sleep C. Awake stage D. Rest stage


Ans: B. REM sleep
Explanation: Most dreams happen during REM sleep. āĻŦā§āϝāĻžāĻ–ā§āϝāĻž: āĻ…āϧāĻŋāĻ•āĻžāĻ‚āĻļ āϏāĻĒā§‹āύ REM sleep āĻ…ā§ąāĻ¸ā§āĻĨāĻžāϤ āĻšāϝāĻŧāĨ¤


2. What happens to the brain during REM sleep ? REM sleep āϏāĻŽāϝāĻŧāϤ āĻŽāĻ—āϜāϤ āĻ•āĻŋ āĻšāϝāĻŧ ?


A. It stops working B. It becomes inactive C. It remains active D. It disappears


Ans: C. It remains active
Explanation: The brain stays active during dreaming. āĻŦā§āϝāĻžāĻ–ā§āϝāĻž: āϏāĻĒā§‹āύ āĻĻ⧇āĻ–āĻžā§° āϏāĻŽāϝāĻŧāϤ āĻŽāĻ—āϜ āϏāĻ•ā§ā§°āĻŋāϝāĻŧ āĻšā§ˆ āĻĨāĻžāϕ⧇āĨ¤


3. What does the brain process during dreams ? āϏāĻĒā§‹āύ⧰ āϏāĻŽāϝāĻŧāϤ āĻŽāĻ—āĻœā§‡ āĻ•āĻŋ āĻĒā§ā§°āĻ•ā§ā§°āĻŋāϝāĻŧāĻžāϕ⧰āĻŖ āϕ⧰⧇ ?


A. Stones B. Memories and emotions C. Food D. Water only


Ans: B. Memories and emotions
Explanation: The brain processes memories and feelings during sleep. āĻŦā§āϝāĻžāĻ–ā§āϝāĻž: āĻŸā§‹āĻĒāύāĻŋā§° āϏāĻŽāϝāĻŧāϤ āĻŽāĻ—āĻœā§‡ āĻ¸ā§āĻŽā§ƒāϤāĻŋ āφ⧰⧁ āĻ…āύ⧁āĻ­ā§‚āϤāĻŋ āĻĒā§ā§°āĻ•ā§ā§°āĻŋāϝāĻŧāĻžāϕ⧰āĻŖ āϕ⧰⧇āĨ¤


4. What creates pictures and story-like scenes in dreams ? āϏāĻĒā§‹āύāϤ āĻ›āĻŦāĻŋ āφ⧰⧁ āĻ•āĻžāĻšāĻŋāύ⧀⧰ āĻĻ⧰⧇ āĻĻ⧃āĻļā§āϝ āĻ•āĻŋāĻšā§‡ āϏ⧃āĻˇā§āϟāĻŋ āϕ⧰⧇ ?


A. Bones B. Muscles C. Nerve signals D. Blood cells


Ans: C. Nerve signals
Explanation: Nerve signals create dream images and scenes. āĻŦā§āϝāĻžāĻ–ā§āϝāĻž: āĻ¸ā§āύāĻžāϝāĻŧ⧁⧰ āϏāĻ‚āϕ⧇āϤ⧇ āϏāĻĒā§‹āύ⧰ āĻ›āĻŦāĻŋ āφ⧰⧁ āĻĻ⧃āĻļā§āϝ āϏ⧃āĻˇā§āϟāĻŋ āϕ⧰⧇āĨ¤


5. Dreams may help the brain to ______ information. āϏāĻĒā§‹āύ⧇ āĻŽāĻ—āϜāĻ• āϤāĻĨā§āϝ ______ āϕ⧰āĻžāϤ āϏāĻšāĻžāϝāĻŧ āϕ⧰āĻŋāĻŦ āĻĒāĻžā§°ā§‡āĨ¤


A. destroy B. organize C. forget D. hide


Ans: B. organize
Explanation: Dreams may help organize memories and information. āĻŦā§āϝāĻžāĻ–ā§āϝāĻž: āϏāĻĒā§‹āύ⧇ āĻ¸ā§āĻŽā§ƒāϤāĻŋ āφ⧰⧁ āϤāĻĨā§āϝ āϏāĻ‚āĻ—āĻ āĻŋāϤ āϕ⧰āĻžāϤ āϏāĻšāĻžāϝāĻŧ āϕ⧰āĻŋāĻŦ āĻĒāĻžā§°ā§‡āĨ¤


6. Why do we see images while sleeping ? āφāĻŽāĻŋ āĻŸā§‹āĻĒāύāĻŋā§° āϏāĻŽāϝāĻŧāϤ āĻ•āĻŋāϝāĻŧ āĻ›āĻŦāĻŋ āĻĻ⧇āĻ–ā§‹āρ ?


A. Eyes stay open B. Brain remains active C. We are walking D. The heart stops


Ans: B. Brain remains active
Explanation: Active brain activity creates dreams during sleep. āĻŦā§āϝāĻžāĻ–ā§āϝāĻž: āĻŽāĻ—āϜ āϏāĻ•ā§ā§°āĻŋāϝāĻŧ āĻĨāĻ•āĻžā§° āĻĢāϞāϤ āĻŸā§‹āĻĒāύāĻŋā§° āϏāĻŽāϝāĻŧāϤ āϏāĻĒā§‹āύ āĻšāϝāĻŧāĨ¤


7. Which of these is related to dreaming ? āϤāϞ⧰ āϕ⧋āύāĻŸā§‹ āϏāĻĒā§‹āύ⧰ āϏ⧈āϤ⧇ āϜāĻĄāĻŧāĻŋāϤ ?


A. REM sleep B. Running C. Digestion D. Sweating


Ans: A. REM sleep
Explanation: Dreams are strongly connected with REM sleep. āĻŦā§āϝāĻžāĻ–ā§āϝāĻž: āϏāĻĒā§‹āύ REM sleep ā§° āϏ⧈āϤ⧇ āϜāĻĄāĻŧāĻŋāϤāĨ¤


8. What kind of scenes do dreams create ? āϏāĻĒā§‹āύ⧇ āϕ⧇āύ⧇āĻ•ā§ā§ąāĻž āĻĻ⧃āĻļā§āϝ āϏ⧃āĻˇā§āϟāĻŋ āϕ⧰⧇ ?


A. Story-like scenes B. Empty pages C. Silent rooms D. No images


Ans: A. Story-like scenes
Explanation: Dreams often appear like stories or movies. āĻŦā§āϝāĻžāĻ–ā§āϝāĻž: āϏāĻĒā§‹āύ āĻŦāĻšā§ āϏāĻŽāϝāĻŧāϤ āĻ•āĻžāĻšāĻŋāύ⧀⧰ āĻĻ⧰⧇ āĻĻ⧇āĻ–āĻž āϝāĻžāϝāĻŧāĨ¤


9. Which organ is mainly responsible for dreams ? āϏāĻĒā§‹āύ⧰ āĻŦāĻžāĻŦ⧇ āĻŽā§‚āϞāϤāσ āϕ⧋āύ āĻ…āĻ‚āĻ— āĻĻāĻžāϝāĻŧā§€ ? 


A. Heart B. Brain C. Kidney D. Lungs


Ans: B. Brain
Explanation: The brain creates dreams during sleep. āĻŦā§āϝāĻžāĻ–ā§āϝāĻž: āĻŸā§‹āĻĒāύāĻŋā§° āϏāĻŽāϝāĻŧāϤ āĻŽāĻ—āĻœā§‡ āϏāĻĒā§‹āύ āϏ⧃āĻˇā§āϟāĻŋ āϕ⧰⧇āĨ¤


10. Which statement is correct ? āϕ⧋āύ āωāĻ•ā§āϤāĻŋāĻŸā§‹ āϏāĻ āĻŋāĻ• ?


A. Dreams happen only when awake  B. The brain becomes inactive during dreams
C. Dreams happen because the brain stays active during sleep  D. Dreams stop all brain activity


Ans: C. Dreams happen because the brain stays active during sleep


Explanation: Active brain function during sleep causes dreams. āĻŦā§āϝāĻžāĻ–ā§āϝāĻž: āĻŸā§‹āĻĒāύāĻŋā§° āϏāĻŽāϝāĻŧāϤ āĻŽāĻ—āϜ āϏāĻ•ā§ā§°āĻŋāϝāĻŧ āĻĨāĻ•āĻžā§° āĻĢāϞāϤ āϏāĻĒā§‹āύ āĻšāϝāĻŧāĨ¤