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 ...
已浏览 790万 次2 周前
短视频
i’VE SEEN BETTER DAYS 🫣😳 #shorts
1:25
已浏览 71.2万 次
i’VE SEEN BETTER DAYS 🫣😳 #shorts
JUSTKASS
Kesa lga my Kitchen Reset 😉? #veevibesuk #cleantok #lifestory #fyp #foryou
1:05
已浏览 9.5万 次
Kesa lga my Kitchen Reset 😉? #veevibesuk #cleantok #lifestory #fyp #foryou
vee_vibes.uk
Arduino Tutorials
Arduino Course for Everybody
10:28:56
Arduino Course for Everybody
YouTubefreeCodeCamp.org
已浏览 148.7万 次2023年11月8日
Arduino Tutorial 1: Setting Up and Programming the Arduino for Absolute Beginners
23:50
Arduino Tutorial 1: Setting Up and Programming the Arduino for Absolute Beginners
YouTubePaul McWhorter
已浏览 300.4万 次2019年5月31日
Arduino MASTERCLASS | Full Programming Workshop in 90 Minutes!
1:25:31
Arduino MASTERCLASS | Full Programming Workshop in 90 Minutes!
YouTubeProgramming Electronics
已浏览 344.5万 次2022年7月22日
热门视频
Bart enter the rebellious phase #fypシ゚viral #simpsons #funny #cartoon #thesimpsons
1:14
Bart enter the rebellious phase #fypシ゚viral #simpsons #funny #cartoon #thesimpsons
YouTubeGnoh Playz
已浏览 169.9万 次1 个月前
How to Factory Reset an Android Phone When Locked
0:58
How to Factory Reset an Android Phone When Locked
TikTokmarlonwireless
已浏览 320万 次2023年7月13日
Closet reset #Lifestyle #movingout #cleaning | Cleaning My Closet
0:35
Closet reset #Lifestyle #movingout #cleaning | Cleaning My Closet
TikTokshaavir6
已浏览 2.8万 次1 周前
Arduino Projects
Top 10 Arduino Projects from 2024 | for all skill levels
4:30
Top 10 Arduino Projects from 2024 | for all skill levels
YouTubeDanovation
已浏览 11.3万 次2024年10月26日
12 Best Arduino Projects for Beginners in 2024!
7:38
12 Best Arduino Projects for Beginners in 2024!
YouTubeToP Projects Compilation
已浏览 44.8万 次2024年7月26日
Top 20 Arduino Projects for 2025: Science Exhibition & DIY Ideas!
3:19
Top 20 Arduino Projects for 2025: Science Exhibition & DIY Ideas!
YouTubeRoboarmy
已浏览 68.7万 次11 个月之前
Bart enter the rebellious phase #fypシ゚viral #simpsons #funny #cartoon #thesimpsons
1:14
Bart enter the rebellious phase #fypシ゚viral #simpsons #funny #…
已浏览 169.9万 次1 个月前
YouTubeGnoh Playz
How to Factory Reset an Android Phone When Locked
0:58
How to Factory Reset an Android Phone When Locked
已浏览 320万 次2023年7月13日
TikTokmarlonwireless
Closet reset #Lifestyle #movingout #cleaning | Cleaning My Closet
0:35
Closet reset #Lifestyle #movingout #cleaning | Cleaning My Closet
已浏览 2.8万 次1 周前
TikTokshaavir6
i’VE SEEN BETTER DAYS 🫣😳 #shorts
1:25
i’VE SEEN BETTER DAYS 🫣😳 #shorts
已浏览 71.2万 次2 周前
YouTubeJUSTKASS
Kesa lga my Kitchen Reset 😉? #veevibesuk #cleantok #lifestory #fyp #foryou
1:05
Kesa lga my Kitchen Reset 😉? #veevibesuk #cleantok #lifestory #…
已浏览 9.5万 次1 周前
TikTokvee_vibes.uk
We need the old Dustin back 😞 #strangerthings #strangerthings5 #dustinhenderson #edit #fyp
0:14
We need the old Dustin back 😞 #strangerthings #strangerthings5 …
已浏览 74.2万 次1 周前
TikTok.r3se1
HOPE YOU ALL HAD A GREAT SUNDAY! 🤎🧺 #sundayreset #clean #cleanwithme #boyfriend #sundayresetroutine
1:10
HOPE YOU ALL HAD A GREAT SUNDAY! 🤎🧺 #sundayreset #clean #c…
已浏览 26.8万 次2 周前
TikTokkailiisong
3:04
House Reset Vlog: Cleaning and Organizing Tips
已浏览 16.9万 次3 周前
TikTok_makeupbyhailee
0:24
The Great Meme Reset is Coming and Your Favorite Memes Are Dea…
已浏览 4116 次1 周前
YouTubeK-Block | Kevin Oblocki- Comedy & Funny skits
1:06
stepping into the new month feeling brand new now #maintenanceday …
已浏览 30.9万 次1 周前
TikTokbvdashhh
4:25
Ultimate Closet Clean Out Tips for a Fresh Start
已浏览 17.2万 次1 周前
TikTokisabella.mcgavin
0:05
Sunday Reset Routine to Kickstart Your Winter Arc
已浏览 16.5万 次2 周前
TikToklindsay.peters
4:29
Sunday Reset Routine: Transform Your Entire Home
已浏览 12.5万 次1 周前
TikTokellie_juengel
1:21
#haitientiktok🇭🇹🇭🇹🇭🇹🇭🇹😍😍😍😍 #copadomundo2026 #footballl
已浏览 8.1万 次1 周前
TikTokbensonreaksyontv
3:00
Can a Soul’s Akashic Record Be Deleted? The Hidden Secret of Co…
已浏览 3.1万 次1 个月前
YouTubeBapuji Dashrathbhai Patel
0:07
inspired by @/kaodyn no they are not wearing seatbelts. finnick “i dr…
已浏览 6.5万 次2 周前
TikTok.tempurr
6:04
Replying to @_Thias_main_ self care>stress😏✨🫧💖 did YOU reset with …
已浏览 7万 次1 周前
TikTokkjordyn03
1:44
Refreshing House Reset for a Relaxed Day
已浏览 7.3万 次2 周前
TikTokcosegura
1:32
Iniciando Meu Reset de 30 Dias para Vida Organizada
已浏览 3.9万 次1 周前
TikTokstudy_jujuba
观看更多视频
静态缩略图占位符

短视频

0:05
1. He said that before the industrial era, nobody slep…
已浏览 790万 次2 周前
TikTokkitija.ozo
1:14
Bart enter the rebellious phase #fypシ゚viral #simpso…
已浏览 169.9万 次1 个月前
YouTubeGnoh Playz
0:58
How to Factory Reset an Android Phone When Locked
已浏览 320万 次2023年7月13日
TikTokmarlonwireless
0:35
Closet reset #Lifestyle #movingout #cleaning | Cle…
已浏览 2.8万 次1 周前
TikTokshaavir6
1:25
i’VE SEEN BETTER DAYS 🫣😳 #shorts
已浏览 71.2万 次2 周前
YouTubeJUSTKASS
1:05
Kesa lga my Kitchen Reset 😉? #veevibesuk #cleantok #life…
已浏览 9.5万 次1 周前
TikTokvee_vibes.uk
0:14
We need the old Dustin back 😞 #strangerthings #strangert…
已浏览 74.2万 次1 周前
TikTok.r3se1
1:10
HOPE YOU ALL HAD A GREAT SUNDAY! 🤎🧺 #sunday…
已浏览 26.8万 次2 周前
TikTokkailiisong
3:04
House Reset Vlog: Cleaning and Organizing Tips
已浏览 16.9万 次3 周前
TikTok_makeupbyhailee
0:24
The Great Meme Reset is Coming and Your Favorite …
已浏览 4116 次1 周前
YouTubeK-Block | Kevin Oblocki- Comedy & F…
1:06
stepping into the new month feeling brand new now #ma…
已浏览 30.9万 次1 周前
TikTokbvdashhh
4:25
Ultimate Closet Clean Out Tips for a Fresh Start
已浏览 17.2万 次1 周前
TikTokisabella.mcgavin
0:05
Sunday Reset Routine to Kickstart Your Winter Arc
已浏览 16.5万 次2 周前
TikToklindsay.peters
4:29
Sunday Reset Routine: Transform Your Entire Home
已浏览 12.5万 次1 周前
TikTokellie_juengel
1:21
#haitientiktok🇭🇹🇭🇹🇭🇹🇭🇹😍😍😍😍 #copadomundo2026 #footb…
已浏览 8.1万 次1 周前
TikTokbensonreaksyontv
3:00
Can a Soul’s Akashic Record Be Deleted? The Hidden Se…
已浏览 3.1万 次1 个月前
YouTubeBapuji Dashrathbhai Patel
0:07
inspired by @/kaodyn no they are not wearing seatb…
已浏览 6.5万 次2 周前
TikTok.tempurr
6:04
Replying to @_Thias_main_ self care>stress😏✨🫧💖 did YOU …
已浏览 7万 次1 周前
TikTokkjordyn03
1:44
Refreshing House Reset for a Relaxed Day
已浏览 7.3万 次2 周前
TikTokcosegura
1:32
Iniciando Meu Reset de 30 Dias para Vida Organizada
已浏览 3.9万 次1 周前
TikTokstudy_jujuba
静态缩略图占位符