Lights Out Library: Sleep Documentaries
Hosted by I and Lights Out Library and Lights Out Library Host and The Host of Lights Out Library · Olimpia Pérez
4.6from 2,450 ratings
- 141
- Episodes
- 98
- Transcribed
- 2,450
- Ratings
- Daily
- Cadence
- 2023
- First episode
- 637K
- YouTube views
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
- Publisher
- Olimpia Pérez
- Category
- health & fitness · history · society & culture
- Language
- en
- Explicit
- No
- First episode
- 5 Nov 2023
- Latest episode
- 20 Sept 2026
Latest episodes
98 of 141 episodes have a transcript.
20 Sept 2026TRANSCRIPT
History of Castles | Documentary for Sleep
13 Sept 2026TRANSCRIPT
Historical Mystery Stories: Secrets of the Druids, Lost Cities, Forgotten Gods (Sleep Documentary)
6 Sept 2026TRANSCRIPT
Mission to Mars: Space Travel and Terraformation
Inside a recent episode
History of Castles | Documentary for Sleep
Published 20 Sept 2026 · Transcript excerpt
[…] With the Romans came new types of fortifications. The Romans built many temporary fortifications for their armies when they were on the move. These included ditches and wooden walls. But once they had conquered a province, or when they needed to defend a strategic location, they built stone forts called castra, a castrum in the singular. Castra were fortresses designed to house and protect soldiers together with their equipment and supplies when they were not fighting or marching. They could be temporary or permanent. On the frontiers, and as with many things Roman, they were carefully planned and organized. […]
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See plansReach and audience
Public platform figures. Ratings count people who left a rating, not total listeners.
- YouTube views
- 637,242
- Score snapshot 15 Sept 2025
- Apple Podcasts (US)
- 4.5 / 5
- 807 ratings
- Spotify
- 4.7 / 5
- 1,643 ratings
Podcast Authority Score: 69 / 100
A composite of feed quality, social presence, YouTube performance and engagement. Read the methodology.
- Quality
- 62
- Social presence
- 0
- YouTube
- 93
- Engagement
- 98
Pitching Lights Out Library: Sleep Documentaries
- Guest appearances
- Does not typically book guests
Based on episode analysis; this does not confirm that the show is currently accepting pitches.
Questions about Lights Out Library: Sleep Documentaries
Who hosts Lights Out Library: Sleep Documentaries?
I and Lights Out Library and Lights Out Library Host and The Host of Lights Out Library host the show. Published by Olimpia Pérez.
How often do new episodes come out?
The show publishes daily, based on its RSS feed.
Does Lights Out Library: Sleep Documentaries take guests?
The show does not typically feature guests, based on episode analyses.
Where can I read transcripts?
98 of 141 episodes have a transcript on Pod Engine. Full transcripts are available with a Pod Engine plan.
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