Table 1 Descriptive statistics

SSRS-Stressor

.55

.19

–

Optimism (LOT-R)

2.63

.47

.72

Sleep pattern

2.50

.57

.65

Sleep irregularity

2.40

.82

.82

CARS-Commitment

2.58

.73

.78

CARS-Appraisal of influence

3.55

.53

.82

CARS-Appraisal of threat

2.41

.90

.93

CARS-Controllability

2.72

.60

.56

SSRS-Depression

2.16

.85

.88

SSRS-Anxiety

2.13

.77

.85