Polysomnographic Characteristics in 44 Children With Significant Symptoms of ADHD, 27 Children With Mild Symptoms of ADHD, and 39 Control Children
| Significant ADHD Symptoms (n = 44) | Mild ADHD Symptoms (n = 27) | Control (n = 39) | |
|---|---|---|---|
| Sleep efficiency (%) | 89.7 ± 10.0 | 88.4 ± 8.4 | 89.4 ± 6.5 |
| Sleep latency (min) | 27.8 ± 30.9 | 32.9 ± 30.9 | 28.8 ± 29.5 |
| REM latency (min) | 172.6 ± 86.2*† | 132.1 ± 63.5 | 121.1 ± 42.9 |
| No. of awakenings | 3.8 ± 3.5 | 3.9 ± 3.5 | 4.0 ± 3.1 |
| SWS (%TST) | 21.6 ± 8.5 | 21.2 ± 3.7 | 22.2 ± 5.2 |
| REM (%TST) | 20.9 ± 7.3*† | 25.6 ± 8.1 | 26.1 ± 6.7 |
| Spontaneous arousal index | 8.8 ± 3.8 | 8.6 ± 4.6 | 9.1 ± 4.0 |
| Respiratory arousal index | 1.4 ± 2.8 | 1.9 ± 4.0 | 0.9 ± 1.5 |
| PLM index with arousal (/h TST) | 0.1 ± 0.4 | 0.1 ± 0.2 | 0.1 ± 0.3 |
| PLM index in sleep (/h TST) | 1.9 ± 3.4 | 2.1 ± 4.8 | 1.8 ± 2.9 |
| PLM index total (/h TST) | 2.0 ± 3.5 | 2.2 ± 4.9 | 1.9 ± 3.1 |
| AHI (/h TST) | 1.5 ± 1.9 | 2.4 ± 2.5 | 1.3 ± 1.7 |
| AI (/h TST) | 0.7 ± 0.7 | 0.9 ± 1.1 | 0.8 ± 0.6 |
| Mean Spo2 | 97.4 ± 1.1 | 97.9 ± 0.7 | 97.6 ± 0.8 |
| Spo2 nadir | 91.1 ± 5.1 | 90.9 ± 5.8 | 92.4 ± 3.6 |