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
Gmail Password Recovery
How to Add a Business Email Account To Gmail - in 5 Minutes!
5:00
How to Add a Business Email Account To Gmail - in 5 Minutes!
YouTubeDaragh Walsh
499.4K viewsOct 25, 2022
How to Send a Group Email in Gmail | How to Make a Mailing List in Gmail
1:28
How to Send a Group Email in Gmail | How to Make a Mailing List in Gmail
YouTubeHOWTECH
180.1K viewsApr 26, 2022
How to use Gmail with Tips and Tricks - Detailed Tutorial
31:46
How to use Gmail with Tips and Tricks - Detailed Tutorial
YouTubeTeacher's Tech
256.9K viewsAug 24, 2021
Top videos
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
1.7M views1 month ago
How to Factory Reset an Android Phone When Locked
0:58
How to Factory Reset an Android Phone When Locked
TikTokmarlonwireless
3.2M viewsJul 13, 2023
Closet reset #Lifestyle #movingout #cleaning | Cleaning My Closet
0:35
Closet reset #Lifestyle #movingout #cleaning | Cleaning My Closet
TikTokshaavir6
27.7K views1 week ago
Gmail Security Settings
⚠️ 5 Gmail Security Settings You MUST Change Right Now!
6:35
⚠️ 5 Gmail Security Settings You MUST Change Right Now!
YouTubeExcel Graphics and Multimedi
65 views3 months ago
Gmail Security Settings Guide 2025
1:18
Gmail Security Settings Guide 2025
YouTubeTechavro
36 views5 months ago
Your Gmail Is Wide Open — Fix These Security Settings NOW
4:24
Your Gmail Is Wide Open — Fix These Security Settings NOW
YouTubeSal Tech
112.1K views4 months ago
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 #…
1.7M views1 month ago
YouTubeGnoh Playz
How to Factory Reset an Android Phone When Locked
0:58
How to Factory Reset an Android Phone When Locked
3.2M viewsJul 13, 2023
TikTokmarlonwireless
Closet reset #Lifestyle #movingout #cleaning | Cleaning My Closet
0:35
Closet reset #Lifestyle #movingout #cleaning | Cleaning My Closet
27.7K views1 week ago
TikTokshaavir6
i’VE SEEN BETTER DAYS 🫣😳 #shorts
1:25
i’VE SEEN BETTER DAYS 🫣😳 #shorts
712.5K views2 weeks ago
YouTubeJUSTKASS
Kesa lga my Kitchen Reset 😉? #veevibesuk #cleantok #lifestory #fyp #foryou
1:05
Kesa lga my Kitchen Reset 😉? #veevibesuk #cleantok #lifestory #…
95.4K views1 week ago
TikTokvee_vibes.uk
We need the old Dustin back 😞 #strangerthings #strangerthings5 #dustinhenderson #edit #fyp
0:14
We need the old Dustin back 😞 #strangerthings #strangerthings5 …
742.2K views1 week ago
TikTok.r3se1
How To RESET Your Roblox PASSWORD Without Email or Phone Number #shorts #roblox
0:29
How To RESET Your Roblox PASSWORD Without Email or Pho…
166.8K views1 month ago
YouTubeReckless - Roblox
1:10
HOPE YOU ALL HAD A GREAT SUNDAY! 🤎🧺 #sundayreset #clean #c…
267.6K views2 weeks ago
TikTokkailiisong
3:04
House Reset Vlog: Cleaning and Organizing Tips
168.5K views3 weeks ago
TikTok_makeupbyhailee
1:06
stepping into the new month feeling brand new now #maintenanceday …
308.5K views1 week ago
TikTokbvdashhh
4:25
Ultimate Closet Clean Out Tips for a Fresh Start
172K views1 week ago
TikTokisabella.mcgavin
0:05
Sunday Reset Routine to Kickstart Your Winter Arc
164.6K views2 weeks ago
TikToklindsay.peters
4:29
Sunday Reset Routine: Transform Your Entire Home
125.2K views1 week ago
TikTokellie_juengel
1:21
#haitientiktok🇭🇹🇭🇹🇭🇹🇭🇹😍😍😍😍 #copadomundo2026 #footballl
80.9K views1 week ago
TikTokbensonreaksyontv
3:00
Can a Soul’s Akashic Record Be Deleted? The Hidden Secret of Co…
30.9K views1 month ago
YouTubeBapuji Dashrathbhai Patel
0:07
inspired by @/kaodyn no they are not wearing seatbelts. finnick “i dr…
65.1K views2 weeks ago
TikTok.tempurr
6:04
Replying to @_Thias_main_ self care>stress😏✨🫧💖 did YOU reset with …
69.8K views1 week ago
TikTokkjordyn03
1:44
Refreshing House Reset for a Relaxed Day
73.2K views2 weeks ago
TikTokcosegura
1:32
Iniciando Meu Reset de 30 Dias para Vida Organizada
39.1K views1 week ago
TikTokstudy_jujuba
See more videos
Static thumbnail place holder