1. He said that before the industrial era, nobody slept 8 hours in one block. People slept in two parts: they went to bed after sunset, woke up around midnight, stayed awake for 1–2 hours, then went back to sleep. This “split sleep” was normal for thousands of years. But when factories appeared in the 19th century, society forced everyone into one long sleep window — and the body never fully adapted. He said the modern schedule confuses the brain: it doesn’t understand when it should rest and wh
0:05
TikTokkitija.ozo
1. He said that before the industrial era, nobody slept 8 hours in one block. People slept in two parts: they went to bed after sunset, woke up around midnight, stayed awake for 1–2
kitija.ozo(@kitija.ozo). original sound - kitija.ozo. 1. He said that before the industrial era, nobody slept 8 hours in one block. People slept in two parts: they went to bed after sunset, woke up around midnight, stayed awake for 1–2 hours, then went back to sleep. This “split sleep” was normal for thousands of years. But when factories ...
7.9M views2 weeks ago
Math Tricks
7 MATHS TRICKS IN 1 VIDEO / Math Tricks for FAST calculations / Math Tricks
24:17
7 MATHS TRICKS IN 1 VIDEO / Math Tricks for FAST calculations / Math Tricks
YouTubeNirmal Maths
26.8K viewsJul 5, 2024
Square Root of Any Number in 3 seconds - Crazy Math Trick
5:44
Square Root of Any Number in 3 seconds - Crazy Math Trick
YouTubeBrain Station
1.3M views8 months ago
99% of people don't know this secret math trick
9:27
99% of people don't know this secret math trick
YouTubeMindYourDecisions
1.4M viewsOct 3, 2024
Top videos
Only those who have bred dogs truly understand how difficult it is. When a puppy suddenly becomes stiff, there can be many causes. We can only hope it’s nothing life-threatening. #stiffPuppy #Rottweiler #WorkingDog #GuardDog #trending
1:00
Only those who have bred dogs truly understand how difficult it is. When a puppy suddenly becomes stiff, there can be many causes. We can only hope it’s nothing life-threatening. #stiffPuppy #Rottweiler #WorkingDog #GuardDog #trending
TikToklhk.petworld
2.2M views1 week ago
Self-Care Tips for Trans Men: Shaving and Grooming
0:59
Self-Care Tips for Trans Men: Shaving and Grooming
TikTokkjkameron
827.4K views2 weeks ago
mom how many pumps of blush should i do 🤓✌️ #fyp #viralditiktok #makeup #howmanypumps #blush #accuracy #ranking
2:04
mom how many pumps of blush should i do 🤓✌️ #fyp #viralditiktok #makeup #howmanypumps #blush #accuracy #ranking
TikToktop_ranking_1
823K views1 week ago
Billionaire Lifestyle
Travie McCoy: Billionaire ft. Bruno Mars [OFFICIAL VIDEO]
3:34
Travie McCoy: Billionaire ft. Bruno Mars [OFFICIAL VIDEO]
YouTubeFueled By Ramen
655.2M viewsMay 6, 2010
BABYMONSTER 'BILLIONAIRE' Lyrics (베이비몬스터 BILLIONAIRE 가사) [Color Coded_Eng] | ShadowByYoongi
2:42
BABYMONSTER 'BILLIONAIRE' Lyrics (베이비몬스터 BILLIONAIRE 가사) [Color Coded_Eng] | ShadowByYoongi
YouTubeShadowByYoongi
3.4M viewsNov 1, 2024
BILLIONAIRE "I AM" AFFIRMATIONS For Money, Wealth & Success (Watch Every Day)
1:00:24
BILLIONAIRE "I AM" AFFIRMATIONS For Money, Wealth & Success (Watch Every Day)
YouTubeVYBO
507.3K viewsMay 20, 2024
Only those who have bred dogs truly understand how difficult it is. When a puppy suddenly becomes stiff, there can be many causes. We can only hope it’s nothing life-threatening. #stiffPuppy #Rottweiler #WorkingDog #GuardDog #trending
1:00
Only those who have bred dogs truly understand how difficult it is…
2.2M views1 week ago
TikToklhk.petworld
Self-Care Tips for Trans Men: Shaving and Grooming
0:59
Self-Care Tips for Trans Men: Shaving and Grooming
827.4K views2 weeks ago
TikTokkjkameron
mom how many pumps of blush should i do 🤓✌️ #fyp #viralditiktok #makeup #howmanypumps #blush #accuracy #ranking
2:04
mom how many pumps of blush should i do 🤓✌️ #fyp #viralditiktok …
823K views1 week ago
TikToktop_ranking_1
أغاني سبيستون: ذكريات الطفولة والمغامرة
1:01
أغاني سبيستون: ذكريات الطفولة والمغامرة
1M views1 week ago
TikTokabir.sag
Discover Texas' Best Drive-Through Lights: Lights of West
0:18
Discover Texas' Best Drive-Through Lights: Lights of West
775.5K views2 weeks ago
TikTokshelbynobles
don't even think about asking me how many times i've watched this dance 🙈 #WhitneyLeavitt and #MarkBallas opened up about all things #DancingWithTheStars on the latest episode of #CallHerDaddy, including gracing us with their final performance: the #DWTS freestyle we never got to see ‼️ 🎥 @callherdaddy
2:10
don't even think about asking me how many times i've watched this …
556.2K views2 weeks ago
TikTokhercampus
Magnus Vs Gukesh - How far can you calculate? 🧐
0:54
Magnus Vs Gukesh - How far can you calculate? 🧐
307.1K views1 week ago
YouTubeGJ_Chess
0:16
Uncovering Hidden Stories in 18th Century Portraits
540.9K views1 week ago
TikTokbyjacklynn
0:58
Luka Doncic's Three-Pointer Performance Against Suns
444.8K views1 week ago
TikTokslopper8
5:53
Best Performance by Krish & Kashor: Audition Highlights
243.3K views1 week ago
TikToksamar.amjad1
1:33
I expect Luke Johnson - Chairman of Gail’s Bakery - speaks for man…
168.7K views1 week ago
TikTokjeddwight
8:59
💾When you post a boyfriend on social media, people will assume you ha…
167.5K views1 week ago
TikTokemma_legrand_pioneer
3:31
I showcased ALL of the REWARDS from the NEW Advent Calendar in …
99.3K views1 week ago
TikTokjeremayy
2:41
#shedeur #second #Cleveland #sanders #nfl | shedeur sanders
39K views1 week ago
TikTokmediawelloff
1:13
ABP Ananda Headlines : 12:00 AM Headlines : এবিপি আনন্দ হে…
172.2K views1 week ago
YouTubeABP ANANDA
4:04
Don't worry, we've got you covered! CONNECT & RECEIVE! We saw liv…
137.5K views1 week ago
TikTok1minutewithmajor1
2:48
I have noticed this pattern with many of my sensory kids. Their fir…
115.9K views2 weeks ago
TikToktheweightedcape
0:46
How Many Influencers Can You Name In 30 Seconds? ⭐️ with @…
35.1K views1 week ago
TikTokhollywoodiq
2:24
Got an Australia Feb Intake Offer Letter? Don’t Rush — Read This F…
26.8K views6 days ago
TikToknmark.edu.np
See more videos
Static thumbnail place holder