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
Shorts
mom how many pumps of blush should i do 🤓✌️ #fyp #viralditiktok #makeup #howmanypumps #blush #accuracy #ranking
2:04
823K views
mom how many pumps of blush should i do 🤓✌️ #fyp #viralditiktok #makeup
top_ranking_1
Discover Texas' Best Drive-Through Lights: Lights of West
0:18
775.5K views
Discover Texas' Best Drive-Through Lights: Lights of West
shelbynobles
Walking to Lose Weight Plan
How to Walk Correctly to Fix Hip, Knee, and Back Pain
1:57
How to Walk Correctly to Fix Hip, Knee, and Back Pain
YouTubeChristina Nicci
121.4K views2 weeks ago
Walk a 5K ... at Home! EPISODE 2
2:01
Walk a 5K ... at Home! EPISODE 2
YouTubeWalk at Home
58.2K views1 month ago
Walking sequence to improve gait and balance.
3:00
Walking sequence to improve gait and balance.
YouTubeErnie Schramayr
103.6K viewsAug 9, 2016
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
أغاني سبيستون: ذكريات الطفولة والمغامرة
1:01
أغاني سبيستون: ذكريات الطفولة والمغامرة
TikTokabir.sag
1M 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
Walking Calories Burned Calculator
Japan’s Robot Floor Lets You Walk Forever in VR by Predicting Your Steps 🤖
0:08
Japan’s Robot Floor Lets You Walk Forever in VR by Predicting Your Steps 🤖
YouTubeTechie Sapien
2.6M views1 month ago
Got to be in one of these cool walking-down-the-street vids which capture the complexity of the human spirit in a rare, deep, and beautiful way! ❤️🚶🏻‍♀️🚶🏻‍♀️🚶🏻‍♀️🚶🏻‍♀️
0:28
Got to be in one of these cool walking-down-the-street vids which capture the complexity of the human spirit in a rare, deep, and beautiful way! ❤️🚶🏻‍♀️🚶🏻‍♀️🚶🏻‍♀️🚶🏻‍♀️
TikTokchelseaperetti
1.1M views2 weeks ago
THE ELEGANCE OF ITALIAN STREET STYLE IN WINTER 2025 🇮🇹 #italianstreetstyle #milanstreetstyle
0:58
THE ELEGANCE OF ITALIAN STREET STYLE IN WINTER 2025 🇮🇹 #italianstreetstyle #milanstreetstyle
YouTubeWalking Together
398.7K views1 week ago
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
أغاني سبيستون: ذكريات الطفولة والمغامرة
1:01
أغاني سبيستون: ذكريات الطفولة والمغامرة
1M views1 week ago
TikTokabir.sag
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
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
2:24
Got an Australia Feb Intake Offer Letter? Don’t Rush — Read This F…
26.8K views1 week ago
TikToknmark.edu.np
12:36
This captivating movie is a must-watch and promises to make your …
85.4K views1 week ago
TikTokjptvmovies
See more videos
Static thumbnail place holder