The Sleeping World: Rolling Under the Milky Way with a Dung Beetle
Audiobook & Ebook

The Sleeping World: Rolling Under the Milky Way with a Dung Beetle by Mumble Media | Audiobook Review

By Mumble Media

Narrated by Cynthia Kimola

🎧 53 minutes 📘 Audible Originals 📅 March 27, 2025 🌐 English

About This Audiobook

Wind down by escaping into nature. Part soundscape and part bedtime story, The Sleeping World is an intimate journey through ecologies around the world.

Dung beetles might sound dirty, but the ancient Egyptians believed their god took the form of a dung beetle to roll the morning sun across the sky every day. In this episode, we roll with dung beetles around the world as they push their precious dung - often in balls many times larger than they are - over Florida pastures, Armenian highlands, and the vast South African savanna.

This is the world in its natural state, defined by seasons, routines, and cycles. As we roll with these glittering beetles, we can imagine a giant dung beetle slowly rolling our planet through the solar system, rotating us gently into each coming night, and safely into each new day.

Produced by Audible and Mumble Media
Written by Cara Ehlenfeldt and Jake Young
Narrated by Cynthia Kimola
Executive Producers for Mumble Media: Cara Ehlenfeldt and Jake Young
Executive Producer for Audible: Anna Stitt
Sound Design and Mix: Mumble Media
The Mumble Media team is Jaymeson Catsouphes, Cara Ehlenfeldt, Chester Gwazda, Liz Mak, Lee Mengistu, Renée Vargas, and Jake Young
Dung Beetle Consultant: Rachel Stone
Fact-Checker: Andrea López-Cruzado
Head of Creative Development at Audible: Kate Navin
Chief Content Officer at Audible: Rachel Ghiazza

Available in Dolby Atmos on Audible.

🎧 Listen Free on Audible

Free 30-day trial · Cancel anytime

  • Performance: Cynthia Kimola is the credited voice, though not one written review has been left on this listing, so the delivery is best judged from a sample.
  • What it covers: nocturnal ecology, ancient cosmology, cycles and routine, sleep as surrender
  • Feel: Hushed and widening, closer to a lullaby than a documentary
  • Our call: A small, carefully researched piece of sleep audio that earns its metaphor rather than borrowing one.

Why would anyone build a bedtime audiobook around a dung beetle? The listing answers before you can finish asking. Ancient Egyptians, it points out, believed 'their god took the form of a dung beetle to roll the morning sun across the sky every day.' Once you know that, fifty-three minutes of beetles pushing spheres across three continents stops sounding like a joke and starts sounding like one of the oldest cosmological metaphors humans ever built. Cynthia Kimola narrates. Mumble Media wrote the script, executive produced, and built the sound design.

Ending on the Whole Planet Being Rolled Through Space

The piece describes itself as 'Part soundscape and part bedtime story,' and both halves are doing real work. The narration follows dung beetles rolling their cargo, 'often in balls many times larger than they are,' across Florida pastures, the Armenian highlands, and the South African savanna. Around the words sits a designed acoustic environment built by the same team, credited as an original mix rather than licensed library ambience. The writing credit belongs to Cara Ehlenfeldt and Jake Young, who are also the executive producers, which usually signals a house style held tightly rather than a work-for-hire script.

What makes it more than pleasant is the closing move, and the description gives it away without spoiling anything: 'we can imagine a giant dung beetle slowly rolling our planet through the solar system, rotating us gently into each coming night, and safely into each new day.' The whole episode is a widening shot. It begins with an insect and an ordinary ball of dung and ends with the earth itself being pushed through the dark by something patient. That is a real piece of writing, and it is the reason this works as a sleep aid rather than merely as nature audio.

Rachel Stone Is a Named Beetle Consultant

The geography choices deserve credit, because they are an argument rather than a travelogue. Florida pastures, Armenian highlands, South African savanna: one ordinary, one obscure, one iconic. A lazier script would have parked the whole episode on the savanna and let the listener supply a wildlife documentary in their head. Spreading it across three unglamorous ecologies makes the actual claim, which is that this behavior is everywhere, unremarkable, and continuous. The framing in the description, 'This is the world in its natural state, defined by seasons, routines, and cycles,' is the thesis, and the itinerary proves it.

Then the credits, which I would not normally dwell on except that they explain the difference between this and the enormous field of generic sleep audio. Fifty-three minutes of bedtime listening carries a named dung beetle consultant, Rachel Stone, and a separate named fact-checker, Andrea López-Cruzado. A seven-person team is listed for sound design and production. Very little ambient sleep content is fact-checked at all, because very little of it makes checkable claims. This one does, and somebody was paid to verify them. That single line in the credits tells you what kind of object you are buying.

The mix matters too. The listing notes a Dolby Atmos version, and spatial audio in this context is a mechanism rather than a luxury feature. Placing sounds around a listener rather than in front of them gives the brain a room to settle into, which is precisely the trick a bedtime piece needs to pull off in its first few minutes. Headphones will get you considerably more out of this than a bedside speaker, and I would treat that as a requirement rather than a suggestion if you are buying it specifically to fall asleep to.

Filed as Illness, Written as Wonder

Fifty-three minutes is the first thing to weigh, and the framing is unusual enough to state plainly. The description calls this an episode, which it is, one entry in an ongoing sequence of Sleeping World pieces rather than a standalone book. Set expectations accordingly. You are buying a short program designed so that you never reach the end of it, which makes the runtime almost beside the point. I found it genuinely odd to evaluate something whose success condition is that the listener stops paying attention, and I mention that because it changes what a review can honestly tell you.

Second, the evidence base here is thin in a specific way. This listing carries a 4.8 average built from more than a hundred ratings and not a single written review. Nobody has left a sentence about the pacing, the mix, or Cynthia Kimola's delivery, so I have no listener testimony to weigh and I am not going to invent any. What the score does establish is that a large group of people rated it highly and none of them felt moved to explain why, which is fairly typical for sleep audio and tells you less than the same number would on a novel.

Finally, the shelving. This is filed under physical illness and disease, which is not remotely what it is, and under sports and outdoors, which is barely closer. Anyone arriving from a health category expecting clinical sleep guidance, breathing protocols, or insomnia strategy will find none of it. The register is lyric, not instructional. By the same token, a listener who wants to actually learn entomology should treat this as an invitation rather than a course. The science is real and checked, but it is arranged for wonder rather than for retention.

Listeners Tired of Rainfall Loops Should Try This

Habitual listeners to nature recordings, particularly those tired of unattributed rainfall loops, should try this immediately, because it offers the same function with a script, a research process, and a point. Curious insomniacs who need something to occupy the front of the mind while the rest of it powers down are well served by the widening-shot structure. Parents looking for a bedtime piece that treats a child as capable of finding a beetle beautiful will find it works in that room too, and fifty-three minutes covers a bedtime routine comfortably.

Skip it if you want a documentary with depth, if you need practical sleep intervention, or if insect behavior at close range unsettles you rather than soothing you, because the imagery is vivid and specific about what these animals are rolling. A listener who insists on finishing everything they start will also find the design faintly maddening. For everybody else, this is a small, careful, genuinely well-made thing, and the ambition packed into under an hour is what stayed with me.

Common Questions

How long is this audiobook and is it a standalone release?

Fifty-three minutes, and the description calls it an episode rather than a book, which places it inside an ongoing sequence. You can begin here without missing anything, since each entry follows a different animal, but do not expect a full-length work at that runtime.

Is this actual science or just ambient sleep audio with narration?

Both, and the credits settle it. An entomological adviser is named for this specific animal, and somebody else is paid to verify the claims. Almost no sleep recording bothers with either. The material is checked, then arranged for wonder rather than instruction, so treat it as an invitation.

Do I need headphones for this audiobook?

I would call them necessary rather than optional. A spatial mix is named in the description, and placing sound around a listener instead of in front of them is the mechanism that settles you. Played through a bedside speaker, the piece flattens into narration over background noise.

Why does it have a strong rating but no written reviews?

The average rests on well over a hundred ratings with no accompanying text whatsoever. That pattern is normal for sleep recordings, where people score on effect and rarely write. It tells you the piece works for most buyers, without a word about pacing, mix, or voice.

Free Listening

Listen to the Audiobook for Free: The Sleeping World: Rolling Under the Milky Way with a Dung Beetle

  • ✓ Audible: 30-day free trial, your first audiobook free
  • ✓ Cancel anytime in one click
Alexandra Reed

Written by Alexandra Reed

Founder & Literary Critic