Table 2.
Distribution and duration of daytime sleep
| Nap | I (n = 21) | II (n = 19) | III (n = 19) | Test statistic | |||
|---|---|---|---|---|---|---|---|
| % | M ± SD (min) | % | M ± SD (min) | % | M ± SD (min) | P‐value | |
| Morning | 2 | 162 ± 187 | 5 | 140 ± 9 | 1.6 | 64 ± 1 | H(2,10) = 3.3, P = 0.20 |
| Noon | 70 | 95 ± 35 | 68 | 95 ± 44 | 73 | 101 ± 37 | H(2,35) = 4.1, P = 0.13 |
| Afternoon | 24 | 100 ± 76 | 13 | 99 ± 53 | 12.7 | 77 ± 47 | H(2,61) = 1.4, P = 0.49 |
| Late Afternoon | 5 | 54 ± 31 | 14 | 118 ± 114 | 12.7 | 65 ± 50 | H(2,37) = 1.7, P = 0.43 |
I, first recording period; II, second recording period; III, third recording period; M, mean; SD, standard deviation.