Home Podcasts Lights Out Library: Sleep Documentaries
Lights Out Library: Sleep Documentaries

Lights Out Library: Sleep Documentaries

Olimpia Pérez 125 Episodes Aug 23, 2026

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. It makes it possible to both calm and enrich your mind while you drift into dreamland. The podcast is hosted by Olimpia Pérez and offers ad-free listening and bonus content via Patreon.

Episodes

History of Furniture | Documentary for Sleep
History of Furniture | Documentary for Sleep Aug 23, 2026 4163 In this soft-spoken sleep story, I tell you about the history of furniture from Prehistory to our days, with an emphasis on French styles from the 17th and 18th Centuries (Louis XIV, Louis XV, and Louis XVI style). I also explain a few different techniques, like veneering, marquetry, and ormolu (gilt bronze). This content is entirely scripted and recorded by real people, it includes no AI, and mi
History of Lost Cities: Machu Picchu, Meroë, Mohenjo-Daro (Sleep Story)
History of Lost Cities: Machu Picchu, Meroë, Mohenjo-Daro (Sleep Story) Aug 16, 2026 3598 In this bedtime story, I tell you about three “lost cities” and the civilizations that built them: • Machu Picchu, built as a retreat for Inca emperors 50 miles from their capital, Cusco, and largely forgotten by the outside world for more than 300 years. • Meroë, the capital of the Kingdom of Kush, along with a brief history of Nubia and its relations with Egypt in antiquity. Before Meroë becam
Review of the Periodic Table of Elements (30 to 118), Bedtime Sleepy Science
Review of the Periodic Table of Elements (30 to 118), Bedtime Sleepy Science Aug 9, 2026 4006 In this science talk for bedtime, I review the periodic table of the elements methodically and explain in simple terms plenty of phenomena and concepts about chemistry and physics (for example in this episode: metalloids, alpha and beta decay, Xenon poisoning of nuclear reactors...) as well as the industrial and economic relevance of some of these elements. For tonight, we continue with elements 3
The Bestiary: Dragon, Unicorn, Elf, Mermaid, Phoenix, Werewolf | Sleepy Mythology & History
The Bestiary: Dragon, Unicorn, Elf, Mermaid, Phoenix, Werewolf | Sleepy Mythology & History Aug 2, 2026 11872 As long compilations of episodes that can accompany you for several hours were requested, we put this new one together. Bestiaries were medieval compendiums that contained information and illustrations of real and legendary animals. Following this ancient tradition, we have put together talks about the origins of different legendary and fantasy creatures. Make yourself comfortable, this will be a
Greek Mythology: The Odyssey (Soft-Spoken Sleep Story, Improved Version)
Greek Mythology: The Odyssey (Soft-Spoken Sleep Story, Improved Version) Jul 26, 2026 4540 In this episode, I tell you the story of the Odyssey, and as in previous mythology videos I discuss a few historical and literary aspects. If you want to know about the lotus-eaters, the cyclopes, the sirens, Aeolus, Circe, Scylla and Charybdis, Calypso, and many more things, relax and enjoy the long journey Odysseus will have to endure to be reunited with his wife Penelope and his son Telemachus.
Neolithic Revolution: How Agriculture Was Invented
Neolithic Revolution: How Agriculture Was Invented Jul 19, 2026 3928 In this episode, I tell you about the transition from the nomadic lifestyle of hunters and gatherers to the sedentary life of the first agricultural communities. We will examine the theories that explain this change, how it took place, and its consequences. Some of these consequences were counterintuitive. For example, the Agricultural Revolution initially led to a deterioration in health and lif
Review of the Periodic Table of Elements (13 to 29), Bedtime Sleepy Science
Review of the Periodic Table of Elements (13 to 29), Bedtime Sleepy Science Jul 12, 2026 3782 In this science talk for bedtime, I review the periodic table of the elements methodically and explain in simple terms plenty of phenomena and concepts about chemistry and physics (for example in this episode: the timeline of the discovery of elements, why there is quite a lot of iron in the universe, endothermic and exothermic fusions...) as well as the industrial and economic relevance of some o
Yellow, White, Black: History of Colors
Yellow, White, Black: History of Colors Jul 5, 2026 4130 In this new sleepy documentary-style story, we will explore the cultural history of three colors: yellow, black, and white. How were pigments for art and crafts or dyes obtained? What were the meanings, symbolisms, and status of these colors across various ancient cultures and to our days? Let's find out. This podcast is entirely scripted and recorded by real people, it includes no AI, and mid-ro
Review of the Periodic Table (Elements 1 to 12) Sleepy Bedtime Science
Review of the Periodic Table (Elements 1 to 12) Sleepy Bedtime Science Jun 28, 2026 3941 In this science talk for bedtime, I review the periodic table of the elements methodically and explain in simple terms plenty of phenomena and concepts about chemistry and physics (for example in this episode: the structure of atoms, valence and reactivity, isotopes, allotropes, ionic compounds, the definitions of metals...) as well as the industrial and economic relevance of some of these element
Myths and Mysteries of Pre-Columbian America (Aztec, Maya, Apache, Navajo, Inca) Sleepy History
Myths and Mysteries of Pre-Columbian America (Aztec, Maya, Apache, Navajo, Inca) Sleepy History Jun 21, 2026 10897 As long compilations of episodes that can accompany you for several hours were requested, we put this new one together. This is a compilation of three different stories: Maya and Aztec Mythology, Native American Myths (Navajo and Apache), and History of the Incas. This podcast is entirely scripted and recorded by real people, it includes no AI, and mid-roll ad breaks are turned off so that you c
Mysteries of the Celts: Druids, Hillforts, Hill of Tara, Gundestrup Cauldron (No AI)
Mysteries of the Celts: Druids, Hillforts, Hill of Tara, Gundestrup Cauldron (No AI) Jun 14, 2026 4110 This sleepy documentary is a time travel to the Celtic era to examine historical mysteries and discover more about Celtic culture. I will tell you about the druids: what we know of their emergence, their functions, their cultural importance, and the many aspects of druidism that remain mysterious. We will also travel to the Hill of Tara in Ireland, examine the mystery of the vitrification of hillf
History of Dinosaurs (Paleontology Documentary for Sleep, No AI)
History of Dinosaurs (Paleontology Documentary for Sleep, No AI) Jun 7, 2026 3509 This documentary sleep story is about the history of dinosaurs: What were they? When did they appear? How did they rule the Earth's continents for 150 million years? What happened to them? In this story I tell you about dinosaurs in general, various famous groups such as Brachiosaurus, Stegosaurus, Allosaurus, Triceratops, Tyrannosaurus, and more! I also tell you about paleontology, the study of f

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