TABLE 1.
Information on the subject dogs.
| ID | Breed | Sex | Age | Weight (kg) | Sleep efficiency (ratio of wake compared to all other sleep phases; %) | Ratio of each phase during sleep measurement: drows/NREM/REM (%) | Starting time of 3-hour long sleep measurement |
| Dog 1 | border collie | male | 1.3 | 17 | 45.41 | 62.28/17.10/20.62 | 14:30 |
| Dog 2 | Australian shepherd | male | 2.2 | 24.5 | 41.72 | 60.63/32.57/6.8 | 15:24 |
| Dog 3 | golden retriever | female | 2.5 | 25 | 89.21 | 9.38/56.68/33.94 | 14:00 |
| Dog 4 | golden retriever | female | 2.5 | 28 | 79.51 | 38.20/22.87/38.93 | 10:30 |
| Dog 5 | golden retriever | male | 2.9 | 28 | 62.22 | 48.56/45.68/5.76 | 15:02 |
| Dog 6 | golden retriever | male | 2.9 | 34 | 86.1 | 30.80/26.24/42.96 | 17:30 |
| Dog 7 | bichon Havanese | male | 3.2 | 3.5 | 91.98 | 6.36/65.40/28.24 | 14:47 |
| Dog 8 | mix | female | 3.8 | 23.3 | 35.3 | 87.91/9.34/2.75 | 17:07 |
| Dog 9 | mix | female | 4.5 | 22 | 69.88 | 32.73/50.25/17.02 | 17:30 |
| Dog 10 | white Swiss shepherd | female | 4.5 | 25 | 47.32 | 51.56/46.48/2.81 | 19:17 |
| Dog 11 | English cocker spaniel | male | 4.6 | 14.7 | 18.37 | 51.45/45.63/2.92 | 19:12 |
| Dog 12 | border collie | female | 5.1 | 16 | 93.74 | 27.30/42.23/30.47 | 19:06 |
| Dog 13 | mix | female | 5.3 | 30 | 74.34 | 56.43/28.71/14.86 | 15:42 |
| Dog 14 | mix | female | 5.7 | 10 | 64.4 | 22.94/65.88/11.18 | 19:20 |
| Dog 15 | boxer | male | 6 | 32 | 66.14 | 67.49/11.01/21.5 | 10:29 |
| Dog 16 | mix | male | 7.3 | 13.5 | 86.1 | 22.97/51.48/25.55 | 19:08 |
| Dog 17 | mix | male | 8.7 | 42 | 57.22 | 78.16/16.45/5.39 | 15:49 |
| Dog 18 | mix | female | 8.9 | 10.9 | 90.99 | 20.48/38.33/41.19 | 14:33 |
| Dog 19 | border collie | female | 8.9 | 21 | 78.26 | 33.09/36.61/30.3 | 13:49 |
| Dog 20 | German shepherd | male | 9.2 | 32.8 | 91.67 | 23.14/47.72/29.14 | 15:55 |
| Dog 21 | mix | female | 9.7 | 18.5 | 79.86 | 30.52/57.85/11.63 | 15:45 |
| Dog 22 | schipperke | male | 10.2 | 5 | 55.98 | 65.21/21.07/13.72 | 18:40 |
| Dog 23 | puli | male | 10.7 | 12.8 | 76.71 | 18.06/40.71/41.23 | 17:21 |
| Dog 24 | mix | female | 10.8 | 27 | 83.72 | 26.69/54.97/18.34 | 14:49 |
| Dog 25 | whippet | male | 10.9 | 13 | 76.43 | 81.68/4.57/13.75 | 13:32 |
| Dog 26 | mix | female | 11 | 14 | 34.32 | 26.26/54.54/19.2 | 14:32 |
| Dog 27 | Tibetan terrier | male | 11.4 | 12.2 | 36.37 | 23.95/61.45/14.6 | 15:18 |
| Dog 28 | Magyar vizsla | female | 13.5 | 21.2 | 81.47 | 30.11/56.09/13.8 | 19:39 |
| Dog 29 | mix | male | 15.7 | 27 | 82.69 | 20.71/43.87/35.42 | 17:42 |
| Dog 30 | golden retriever | male | 8.6 | 35 | 82.58 | 14.67/38.07/47.26 | 16:40 |