“The Knowledge Library”

Knowledge for All, without Barriers…

An Initiative by: Kausik Chakraborty.
05/12/2022 10:24 AM

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Biology Objective Questions On Different Branches🟢Cell Biology Objective Questions (कोशिका एवं कोशिका विभाजन का वस्तुनिष्ठ प्रश्न)🟢Objective Questions and Answers: Animal Tissue(जन्तु ऊतक) 🟢Objective Questions and Answers Digestive system(पाचन-तंत्र) 🟢Objective Questions and Answers Human Blood (मानव रक्त) Part-1🟢Objective Questions and Answers Human Heart (मानव हृदय) 🟢Objective Questions and Answers Excretion system (उत्सर्जन तंत्र) 🟢Objective Questions and Answers Nervous system (तंत्रिका तंत्र) 🟢Objective Questions and Answers Skeleton system (कंकाल तंत्र)🟢 Objective Questions and Answers Endocrine system (अंतःस्रावी तंत्र)🟢Objective Questions on Mineral Resources of India and World (भारत और विश्व के खनिज संसाधन)🟢MCQ On Energy Resources (ऊर्जा संसाधन वस्तुनिष्ठ प्रश्न)🟢Objective Question on Industry of India (भारत के उद्योग)🟢Objective Question on Multipurpose Projects of India (भारत के बहुउद्देशीय परियोजना)🟢Objective Question on Rivers of India (भारत की नदियाँ)🟢Objective Question on National Park and Wildlife Sanctuary in India(राष्ट्रीय उद्यान तथा वन्य जीव अभयारण्य)🟢Objective Questions on Soils of India (भारत की मिट्टियाँ)🟢Objective Questions on Agriculture of India (भारत की कृषि)🟢Objective Questions on Indian Mountains and World Mountains (भारतीय पर्वत और विश्व के पर्वत)🟢Objective Questions on Natural Vegetation of India and World

“The Knowledge Library”

Knowledge for All, without Barriers…

 

An Initiative by: Kausik Chakraborty.
Biology Objective Questions On Different Branches🟢Cell Biology Objective Questions (कोशिका एवं कोशिका विभाजन का वस्तुनिष्ठ प्रश्न)🟢Objective Questions and Answers: Animal Tissue(जन्तु ऊतक) 🟢Objective Questions and Answers Digestive system(पाचन-तंत्र) 🟢Objective Questions and Answers Human Blood (मानव रक्त) Part-1🟢Objective Questions and Answers Human Heart (मानव हृदय) 🟢Objective Questions and Answers Excretion system (उत्सर्जन तंत्र) 🟢Objective Questions and Answers Nervous system (तंत्रिका तंत्र) 🟢Objective Questions and Answers Skeleton system (कंकाल तंत्र)🟢 Objective Questions and Answers Endocrine system (अंतःस्रावी तंत्र)🟢Objective Questions on Mineral Resources of India and World (भारत और विश्व के खनिज संसाधन)🟢MCQ On Energy Resources (ऊर्जा संसाधन वस्तुनिष्ठ प्रश्न)🟢Objective Question on Industry of India (भारत के उद्योग)🟢Objective Question on Multipurpose Projects of India (भारत के बहुउद्देशीय परियोजना)🟢Objective Question on Rivers of India (भारत की नदियाँ)🟢Objective Question on National Park and Wildlife Sanctuary in India(राष्ट्रीय उद्यान तथा वन्य जीव अभयारण्य)🟢Objective Questions on Soils of India (भारत की मिट्टियाँ)🟢Objective Questions on Agriculture of India (भारत की कृषि)🟢Objective Questions on Indian Mountains and World Mountains (भारतीय पर्वत और विश्व के पर्वत)🟢Objective Questions on Natural Vegetation of India and World

“The Knowledge Library”

Knowledge for All, without Barriers……….
An Initiative by: Kausik Chakraborty.

The Knowledge Library

Why Do We Dream?

When you go to sleep each night, your mind goes on a sort of sleep roller coaster. As you sleep, your brain passes through different sleep stages again and again.

Over the course of a typical night, your brain cycles back and forth through the various stages of sleep four to five times!

Most dreaming occurs during the stage of deepest sleep, called “Rapid Eye Movement” or “REM.” During REM, our eyes begin to move around quickly under our eyelids.

If you have ever watched people sleeping (even family pets!), then you may have noticed their twitching eyelids. This is a perfectly normal part of REM sleep.

Researchers used to believe that people dreamed only during REM, but most experts now agree that dreams can occur at any time during the sleep cycle.

So why do we dream? For centuries, humans have wondered about the meaning and purpose of dreams.

Despite improvements in medical technology and sleep research, experts today still have not reached a conclusion about why people dream. They have, however, developed some interesting theories.

Some experts believe dreams are a way to process all the events and emotions we experience throughout the day. They believe dreams play an important role in our physical, mental and emotional health.

Similarly, other experts claim dreams are a form of problem-solving. They believe our dreams provide us with a safe place to work through problems, questions and dilemmas in our lives.

Other researchers claim dreams are simply a bodily function, much like blinking or burping. Researchers may not be able to agree on why we dream, but they can all agree on one thing: We all do it.

It’s probably a good thing that we dream since we spend a lot of time asleep. Though we may not call it a hobby, we sleep about one-third of our lives. On average, most people sleep about eight hours per night.

When you do the math, you find that most humans sleep approximately 122 days out of every year. By the time you’re 75 years old, you will have spent about 25 years asleep!

 

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