|    n | Night before forest walking | Night after forest walking |    Statistical test | Comment | |
---|---|---|---|---|---|---|
Actual sleep time (min) |    42 |    365.9 ± 89.4 |    419.8 ± 128.7 |    p = 0.02a |  |  |
Actual sleep (%) |    42 |    86.9 ± 7.4 |    88.0 ± 6.9 |    p = 0.4a |  |  |
Sleep latency (min) |    42 |    20.1 ± 32.7 |    10.4 ± 9.7 |    p = 0.07a |  |  |
Immobile time (min |    42 |    356.3 ± 89.1 |    410.2 ± 127.7 |    p = 0.02a |  |  |
Sleep start time (median) |    42 |    23:48 |    23:46 |  |  |  |
Sleep end time (median) |    42 |    6:58 |    7:18 |  |  |  |
St. Mary's Hospital Sleep Questionnaire | Â | Â | Â | Â | Â | Â |
   Self-rated depth of sleep (score) |    64 |    4.7 ± 1.4 |    5.1 ± 1.5 |    p = 0.03b | 1: Very light | 7: Deep |
   Number of awakenings (times) |    66 |    1.48 ± 1.24 |    1.45 ± 1.34 |    p = 0.7b | 0: Not at all | 7: More than six times |
   Sleep quality (score) |    63 |    4.0 ± 1.1 |    4.3 ± 1.2 |    p = 0.04b | 1: Very badly | 6: Very well |
   Alertness on waking (score) |    62 |    3.4 ± 1.2 |    3.6 ± 1.3 |    p = 0.054b | 1: Very drowsy | 6: Very alert |
   Satisfaction with sleep (score) |    63 |    3.3 ± 1.0 |    3.4 ± 1.1 |    p = 0.3b | 1: Very unsatisfied | 5: Completely satisfied |
   Early morning awakening (n, % yes) |    60 |    10, 16.7% |    8, 13.3% |    p = 0.7c | 1: No | 2: Yes |
   Difficultly falling asleep (score) |    64 |    1.3 ± 0.5 |    1.2 ± 0.5 |    p = 0.3b | 1: None or very little 4: Extreme difficulty |