Sleepless (US) ER-706
| Year of Birth | 1885 |
| Sex | mare |
| Colour | bay |
| Sire | Shamrock (US) |
| Dam | Ethics (US) |
| Damsire | Princeps (US) |
| Breeder | Speedwell Farm |
| Birthplace |
Pedigree
| Sleepless | Shamrock (US) | Hambletonian (Rysdyk's) (US) | Abdallah (US) |
| Charles Kent's mare | |||
| Ethics (US) | Princeps (US) | Woodford Mambrino (US) | |
| Olive (US) | Golddust (US) | ||
| Grace (US) |
Foals
| YoB | Name | Colour | Sex | Pedigree | Breeder | Birthplace |
|---|---|---|---|---|---|---|
| 1899 | Bajnok (AH) | bay | horse | Jaco (US) - Sleepless (US) | Graf Siegfried Wimpffen | Ercsi, Kom. Weissenburg, Ungarn |