Table 2 Insomnia Severity Index (ISI) results

Overall

13.80 ± 1.77^ab

10.80 ± 1.77^a

11.00 ± 1.77^b

^a 0.0024

^b 0.0049

Difficulty Falling Asleep

1.70 ± 0.39^a

1.27 ± 0.39

1.13 ± 0.39^a

^a 0.0087

Difficulty Staying Asleep

2.16 ± 0.41^a

1.52 ± 0.41^a

1.76 ± 0.41

^a 0.0099

Problem Waking Up Too Early

1.91 ± 0.41^a

1.18 ± 0.41^a

1.41 ± 0.41

^a 0.0136

How Satisfied With Your Sleep

2.46 ± 0.36

2.13 ± 0.36

2.16 ± 0.36

ns

Noticeable Impairment to Quality of Life

1.45 ± 0.30

1.35 ± 0.30

1.25 ± 0.30

ns

Worried/Distressed about Sleep Problems

2.07 ± 0.37^a

1.67 ± 0.37

1.61 ± 0.37^a

^a 0.0294

Extent of Interference with Daily Functioning

2.04 ± 0.36

1.67 ± 0.36

1.67 ± 0.36

ns