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143 episodes
What is the Multiverse? Science, Philosophy & Science Fiction Story for Sleep
2026-10-04 | 1h 3 mins.This episode will give you an overview of the concept of multiverse: where does it come from? What are the various meanings and ideas behind that term? I detail different versions of this idea, coming from cosmology such as the "Eternal Inflation Multiverse" and the "Cosmic Landscape Hypothesis" derived from String Theory, quantum mechanics (the "Many-Worlds Interpretation"), and the "Computational Multiverse" hypothesis. I also tell you about thinkers such as Anaximander, Copernic, and Giordano Bruno, who all contributed in their own ways to the intellectual revolutions necessary for this concept to emerge.
This content is entirely scripted and recorded by real people, it includes no AI, and mid-roll ad breaks are turned off so that you can relax without interruption.
TIMESTAMPS:
00:00 Welcome and Introduction
03:47 Anaximander and Apeiron
11:43 Copernician Revolution and Giordano Bruno
19:46 Endless Universe and Multiverse
23:45 Eternal Inflation Multiverse and Constants
33:16 Cosmic Landscape Hypothesis
40:37 Many-Worlds Interpretation
48:44 Computational Multiverse
56:58 Multiverse in Fiction
#sleep #documentary #bedtimestory #asmr #sleepstory #multiverse
Welcome to Lights Out Library
Join me for a sleepy adventure tonight. Sit back, relax, and fall asleep to documentary-style bedtime stories read in a calming ASMR voice. Learn something new while you enjoy a restful night of sleep.
Listen ad free and get access to bonus content on our Patreon: https://www.patreon.com/LightsOutLibrary621
Enjoy my audiobook on Ancient Egyptian History, Myths & Mysteries: https://open.spotify.com/show/6mCqX5FoO6uCilrWCS8mB9?si=e1ecb983d2534d69
Listen on Youtube: https://www.youtube.com/@LightsOutLibraryov
¿Quieres escuchar en Español? Echa un vistazo a La Biblioteca de los Sueños!
En Spotify: https://open.spotify.com/show/1t522alsv5RxFsAf9AmYfg
En Apple Podcasts: https://podcasts.apple.com/us/podcast/la-biblioteca-de-los-sue%C3%B1os-documentarios-para-dormir/id1715193755
En Youtube: https://www.youtube.com/@LaBibliotecadelosSuenosov
Learn more about your ad choices. Visit megaphone.fm/adchoicesHistory of Cosmetics, From Antiquity Down to Our Days
2026-09-27 | 1h 18 mins.Tonight’s episode is a remastered version of one of the first stories ever released on the podcast. The original version covered cosmetics and perfumes; in this new version we expanded the history of cosmetics and left the history of perfumes for a future story.
The new material covers the influence of Hollywood and flapper culture, women who helped build the modern beauty industry, dangerous cosmetics and the rise of regulation, makeup during World War II, and the changing beauty culture of the 1950s and 1960s. We also explore the history of cosmetics, as we did in the original story, from ancient pigments and Egyptian kohl to Japanese beauty traditions, and more.
This content is entirely scripted and recorded by real people, it includes no AI, and mid-roll ad breaks are turned off so that you can relax without interruption.
TIMESTAMPS:
00:00 Welcome
02:50 Introduction: Why Humans Use Cosmetics
07:44 Cosmetics in Ancient Egypt
13:42 Beauty Standards in Ancient China and Japan
28:51 Cosmetics in Greece and Rome
41:18 From the Middle Ages to Elizabethan and French Courts
46:35 The Birth of the Modern Cosmetics Industry
54:11 Hollywood, Regulation, War, and Modern Makeup
#sleep #documentary #bedtimestory #asmr #sleepstory #history #cosmetics
Welcome to Lights Out Library
Join me for a sleepy adventure tonight. Sit back, relax, and fall asleep to documentary-style bedtime stories read in a calming ASMR voice. Learn something new while you enjoy a restful night of sleep.
Listen ad free and get access to bonus content on our Patreon: https://www.patreon.com/LightsOutLibrary621
Enjoy my audiobook on Ancient Egyptian History, Myths & Mysteries: https://open.spotify.com/show/6mCqX5FoO6uCilrWCS8mB9?si=e1ecb983d2534d69
Listen on Youtube: https://www.youtube.com/@LightsOutLibraryov
¿Quieres escuchar en Español? Echa un vistazo a La Biblioteca de los Sueños!
En Spotify: https://open.spotify.com/show/1t522alsv5RxFsAf9AmYfg
En Apple Podcasts: https://podcasts.apple.com/us/podcast/la-biblioteca-de-los-sue%C3%B1os-documentarios-para-dormir/id1715193755
En Youtube: https://www.youtube.com/@LaBibliotecadelosSuenosov
Learn more about your ad choices. Visit megaphone.fm/adchoicesHistory of Castles | Documentary for Sleep
2026-09-20 | 1h 1 mins.In this relaxing story, I tell you about the history of castles in Europe, from the first earthworks from the Bronze Age to Roman castra and finally medieval castles. We follow their development from motte & bailey castles to giant fortresses of the 14th century with dungeons, concentric walls, drawbridges, portcullis, machicolations, moats...
I also tell you about medieval society and how castles are an architectural projection of it, medieval siege warfare and its machines like the trébuchet, and I take you to a few locations like Alesia, Windsor Castle and the Krak des Chevaliers.
This content is entirely scripted and recorded by real people, it includes no AI, and mid-roll ad breaks are turned off so that you can relax without interruption.
TIMESTAMPS:
00:00 Welcome and Introduction
04:05 Early Fortifications and Hill Forts
09:59 Roman Fortifications and the Rise of Feudalism
13:33 The First Medieval Castles
18:34 Stone Keeps and the Classic Medieval Castle
32:11 Crusader Castles and Concentric Defenses
38:11 Life Inside a Medieval Castle
46:29 Siege Warfare, Gunpowder, and the End of the Castle
#sleep #documentary #bedtimestory #asmr #sleepstory #history #castles
Welcome to Lights Out Library
Join me for a sleepy adventure tonight. Sit back, relax, and fall asleep to documentary-style bedtime stories read in a calming ASMR voice. Learn something new while you enjoy a restful night of sleep.
Listen ad free and get access to bonus content on our Patreon: https://www.patreon.com/LightsOutLibrary621
Enjoy my audiobook on Ancient Egyptian History, Myths & Mysteries: https://open.spotify.com/show/6mCqX5FoO6uCilrWCS8mB9?si=e1ecb983d2534d69
Listen on Youtube: https://www.youtube.com/@LightsOutLibraryov
¿Quieres escuchar en Español? Echa un vistazo a La Biblioteca de los Sueños!
En Spotify: https://open.spotify.com/show/1t522alsv5RxFsAf9AmYfg
En Apple Podcasts: https://podcasts.apple.com/us/podcast/la-biblioteca-de-los-sue%C3%B1os-documentarios-para-dormir/id1715193755
En Youtube: https://www.youtube.com/@LaBibliotecadelosSuenosov
Learn more about your ad choices. Visit megaphone.fm/adchoicesHistorical Mystery Stories: Secrets of the Druids, Lost Cities, Forgotten Gods (Sleep Documentary)
2026-09-13 | 3h 5 mins.As long compilations of episodes that can accompany you for several hours were requested, we put this new one together. This episode consists of three main topics:
- Mysteries of Celtic culture, especially the druids: who were they and what was their role in Celtic societies?
- A journey to "lost cities", in particular Machu Picchu in Peru and Meroe in Nubia (Sudan)
- Forgotten gods of Antiquity, like Sol Invictus or Ishtar: their cults were once thriving across various cultures, but they fell into oblivion.This content is entirely scripted and recorded by real people, it includes no AI, and mid-roll ad breaks are turned off so that you can relax without interruption.
TIMESTAMPS:
0:00 Secrets of the Celts
1:02:50 Lost Cities
1:57:05 Forgotten Gods
#sleep #documentary #bedtimestory #asmr #sleepstory #mystery #mysteries
Welcome to Lights Out Library
Join me for a sleepy adventure tonight. Sit back, relax, and fall asleep to documentary-style bedtime stories read in a calming ASMR voice. Learn something new while you enjoy a restful night of sleep.
Listen ad free and get access to bonus content on our Patreon: https://www.patreon.com/LightsOutLibrary621
Enjoy my audiobook on Ancient Egyptian History, Myths & Mysteries: https://open.spotify.com/show/6mCqX5FoO6uCilrWCS8mB9?si=e1ecb983d2534d69
Listen on Youtube: https://www.youtube.com/@LightsOutLibraryov
¿Quieres escuchar en Español? Echa un vistazo a La Biblioteca de los Sueños!
En Spotify: https://open.spotify.com/show/1t522alsv5RxFsAf9AmYfg
En Apple Podcasts: https://podcasts.apple.com/us/podcast/la-biblioteca-de-los-sue%C3%B1os-documentarios-para-dormir/id1715193755
En Youtube: https://www.youtube.com/@LaBibliotecadelosSuenosov
Learn more about your ad choices. Visit megaphone.fm/adchoicesMission to Mars: Space Travel and Terraformation
2026-09-06 | 1h 27 mins.This episode is a remastered and improved version of one of the first stories ever released on the podcast. This new version includes updated information, as well as very recent results published in July 2026 from MAVEN, the spacecraft that spent more than 11 years studying Mars and the history of its atmosphere. I also talk about AstroRad, a new device tested in deep space that could help protect astronauts from some forms of space radiation.
As usual with our space cruises, I take you to Mars and back. To entertain you along the journey, I tell you about orbits, space travel, spacecraft, and some of the difficulties of manned missions, including microgravity, radiation, and the challenges of spending months in space. We also explore the history of Mars, its climate, geology, and environment, and finally the idea of terraforming the planet one day in the distant future—and what such an enormous project would actually involve.
This content is entirely scripted and recorded by real people, it includes no AI, and mid-roll ad breaks are turned off so that you can relax without interruption.
TIMESTAMPS:
00:00 Welcome and Introduction
04:03 Cruise to Mars
14:15 The Red Planet
40:36 Psychological and Biological Challenges
50:28 Environment on Mars
1:03:34 Terraforming Mars
1:20:58 Olympus Mons and Return
#sleep #documentary #bedtimestory #asmr #sleepstory #space #mars
Welcome to Lights Out Library
Join me for a sleepy adventure tonight. Sit back, relax, and fall asleep to documentary-style bedtime stories read in a calming ASMR voice. Learn something new while you enjoy a restful night of sleep.
Listen ad free and get access to bonus content on our Patreon: https://www.patreon.com/LightsOutLibrary621
Enjoy my audiobook on Ancient Egyptian History, Myths & Mysteries: https://open.spotify.com/show/6mCqX5FoO6uCilrWCS8mB9?si=e1ecb983d2534d69
Listen on Youtube: https://www.youtube.com/@LightsOutLibraryov
¿Quieres escuchar en Español? Echa un vistazo a La Biblioteca de los Sueños!
En Spotify: https://open.spotify.com/show/1t522alsv5RxFsAf9AmYfg
En Apple Podcasts: https://podcasts.apple.com/us/podcast/la-biblioteca-de-los-sue%C3%B1os-documentarios-para-dormir/id1715193755
En Youtube: https://www.youtube.com/@LaBibliotecadelosSuenosov
Learn more about your ad choices. Visit megaphone.fm/adchoices
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About Lights Out Library: Sleep Documentaries
Lights Out Library helps you fall asleep with soothing stories across a diverse range of topics: science, history, mythology, astronomy, mystery, art and so much more. We make it possible to both calm and enrich your mind while you drift into dreamland. Please follow to support our work. Listen ad free and get access to bonus content on our Patreon: https://www.patreon.com/LightsOutLibrary621
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