Sleepy Development Studios #577533464
Membership history
Growth
| Measured (UTC) | Members | Change |
|---|---|---|
| 19 Sept 2026, 23:34 | 478 | -1 |
| 6 Sept 2026, 21:20 | 479 | -1 |
| 20 Aug 2026, 12:38 | 480 | -1 |
| 18 Aug 2026, 10:52 | 481 | -1 |
| 10 Aug 2026, 14:20 | 482 | first reading |
Ownership
Owned by @SleepyDevsHolder as measured.
Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.
Experiences
Experiences this group owns, by lifetime visits. Live-player counts are from our last measurement.
Members we’ve seen
@SleepyDevsHolder — Holder (rank 255)
Rage (@rage_doritos) — Owners (rank 254)
pomatthew (@527366) — Owners (rank 254)
@Itsjszz — Member (rank 1)
Dxll (@Bhxdd_Brxtt) — Member (rank 1) terminated
zyo (@Zylol_fr) — Member (rank 1)
Leaf (@blueblle) — Member (rank 1)
riri (@millie_cupcakes1234) — Member (rank 1)
LAYLAHH (@Cutecupcake135745) — Member (rank 1)
999 (@re4litvy) — Member (rank 1)
Kirny (@steaksalot) — Member (rank 1)
Last (@raffa_9000) — Member (rank 1)
Nyx (@Nyxcrit) — Member (rank 1)
Ynt (@moneykid0927) — Member (rank 1)
Brianmuffin81 (@brianmuffin91) — Member (rank 1)
Snippy (@Pipgirl9) — Member (rank 1)
A sample — only members this register has independently measured, highest rank first. Not the full roster.
Rank structure
Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).
Related groups
Groups whose measured members overlap with this one — a sample from our membership graph.
Open data
Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)
Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.