# Sleep Theory

<https://hit-masters.com/en/artists/sleep-theory-UCOQBiiXGRZeT8Xlg-yTgUjA>

[Home](https://hit-masters.com/en) › [Sleep Theory](https://hit-masters.com/en/artists/sleep-theory-UCOQBiiXGRZeT8Xlg-yTgUjA)

Sleep Theory in HitMasters: 1 song as a collectible card. Most popular: “Hourglass”. 1 release in the catalog. Free to collect as cards in HitMasters.

| Field | Value |
| --- | --- |
| Tracks | 1 |
| YouTube Music | [https://music.youtube.com/channel/UCOQBiiXGRZeT8Xlg-yTgUjA](https://music.youtube.com/channel/UCOQBiiXGRZeT8Xlg-yTgUjA) |

## Most popular songs

- [Hourglass – Sleep Theory (Demo)](https://hit-masters.com/en/tracks/sleep-theory-hourglass--dASRfXRK5U)

## Releases

- [Afterglow](https://hit-masters.com/en/albums/sleep-theory-afterglow-MPREb_n9qACump4fs)

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Songs, cover art and plays: YouTube Music. HitMasters, the music trading card game.