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How much should we sleep?

Lesson 101 of 101 • 774 upvotes • 4:02mins

Unacademy Bytes

Find out why is sleeping necessary and how much should we essentially sleep over a day.

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Unacademy Bytes - Your Daily Dose of Knowledge

101 lessons • 6h 26m

1

Overview

0:14mins

2

Bipin Chandra Pal

1:56mins

3

Did You Know That Your Stomach Can Dissolve Metals?

3:43mins

4

Significance of Today's Date - 9th Nov

3:29mins

5

Significance of Today's Date - 10th Nov

2:40mins

6

How Strong is Your Logical Reasoning?

5:36mins

7

Historical Astronomical Event

2:28mins

8

Significance of Today's Date - 14th Nov

2:35mins

9

Why is 15th November Important?

2:17mins

10

Foundation of UNESCO

2:22mins

11

What is 'The Holocaust'?

3:26mins

12

Impact of Winston Churchill's Decisions on Bengal Famine - 1943

2:21mins

13

10 Important Historical Events on 19th November

2:53mins

14

Interesting Life Hacks

2:55mins

15

Crazy Facts About Volcanoes

4:40mins

16

Outrageous Freedom Movements That Propelled India Towards Independence

5:32mins

17

A Great Scientist Passed Away Today

2:05mins

18

Are We Running Out of Helium?

3:43mins

19

Darwin's "On The Origin of Species" was Published Today

3:24mins

20

The Story of Indian Independence

4:25mins

21

Why Do We Dream?

3:26mins

22

What Can Gravity Do?

5:08mins

23

The Mystery of Pyramids

4:42mins

24

World Maps are Deceptive

4:14mins

25

Fidel Castro Became President of Cuba

3:25mins

26

The Indo Pak War 1971 Started Today

3:49mins

27

India's Eighth President Was Born Today

2:44mins

28

A Brilliant Entrepreneur, Animator and Film Producer Was Born Today

3:16mins

29

Global Warming and Its Effects

3:27mins

30

Interesting Facts About Clouds

3:48mins

31

What is Containerization?

3:54mins

32

Unacademy Turns Two!

4:48mins

33

Historical Significance of 10th December

2:54mins

34

Delhi Replaced Calcutta as Capital Today!

4:33mins

35

The History of Time and Time Measurement

5:25mins

36

Invention of Toilets Changed The World!

4:17mins

37

Death Anniversary of an Important Historical and Political character

3:38mins

38

The Birth of Internet

4:58mins

39

The Science Behind Exercise

3:47mins

40

Coffee: Good or Bad?

4:29mins

41

The Left and Right Brain Myth

4:51mins

42

Significance of 20th December

4:38mins

43

The Origin of QWERTY

3:57mins

44

Artificial Intelligence in Simple Words

5:16mins

45

The Significance of Today's Date

3:21mins

46

The Ku Klux Klan Was Formed Today

3:37mins

47

Can You Solve The Bridge Riddle? - Alex Gendler

3:50mins

48

The Science of Skin Color

5:48mins

49

How Soda Affects Our Body

5:07mins

52

The Birth of The Indian National Congress

4:25mins

53

Does IQ Measure Your Smartness?

4:23mins

54

The Execution of Saddam Hussein

3:00mins

55

When Did We Start Celebrating New Year?

2:51mins

56

A Great Indian Physicist Was Born Today

2:30mins

57

Guccio Gucci Passed Away

3:23mins

58

Apple Inc. got incorporated today!

2:29mins

59

The Birth of Sir Isaac Newton

2:26mins

60

The First Transoceanic Newspaper

2:18mins

61

Tobacco: Global Agent of Death

4:08mins

62

First Commercial Transatlantic Telephone Service

2:01mins

63

World Famous Painting Displayed in The US National Art Gallery

2:25mins

64

Internet Addiction!

3:33mins

65

Sugar: As Bad As Alcohol

4:09mins

66

Are We All Related?

6:26mins

67

Birth of a Great Indian Hindu Monk

3:23mins

68

How Google Maps Works?

3:25mins

69

An important Day in Indian History

3:16mins

70

Indian Army Day

2:58mins

71

Death of an Eminent Writer

2:58mins

72

Death of India's Longest Serving Chief Minister

2:49mins

73

The Power of Social Media

5:23mins

74

ISRO's Successful Launch of Cartosat 2 Satellite

3:46mins

75

The Science Behind Meditation

5:18mins

76

Sophia: The Human Bot

4:20mins

77

The History of Tea: Shunan Teng

4:58mins

78

Birth of a National Hero

3:39mins

79

A Brief History of Oil

5:58mins

80

What if the world said goodbye to meat!?

5:37mins

81

Our constitution came into effect today!

3:01mins

82

The birth of a nationalized bank.

3:12mins

83

An eminent nuclear scientist was born.

2:50mins

84

India's first newspaper published today!

2:53mins

85

Questions No One Knows the Answers to

12:08mins

86

What harm can sitting for long cause?

4:07mins

87

What type of a learner are you?

4:23mins

88

Death of one of India's most influential people.

4:06mins

89

How music affects your brain!!

4:01mins

90

How To Learn Faster

4:07mins

91

Where do new words come from? - Marcel Danesi

5:44mins

92

A prominent activist and popular lawyer passed away today.

2:31mins

93

What every country is famous for? (Part 1)

4:46mins

94

What every country is famous for - Part 2

7:38mins

95

What every country is famous for - Part 3

1:52mins

96

A historic stampede on this day that took lives.

2:44mins

97

How did teeth evolve? - Peter S. Ungar

4:45mins

98

Birth of one of the greatest presidents

5:07mins

99

The man shaping our future!

5:27mins