TABLE 1.

Descriptive statistics, correlations, and Cronbach alpha (diagonal) for scale scores.

	Mean	SD	1	2	3	4	5	6
1. Age	45.27	11.23
2. Languid/Vigor	14.70	5.53	−0.25**	0.68
3. Flexible/Rigid	14.10	5.41	−0.06*	−0.12**	0.73
4. Morningness	12.22	2.75	0.25**	−0.64**	0.07*	0.82
5. Resilience	3.54	0.69	0.03	−0.35**	0.17**	0.33**	0.80
6. Coping	14.59	3.14	0.04	−0.10**	0.09**	0.10**	0.27**	0.68
7. Sleep duration/day	6.92	1.06	−0.15**	0.15**	−0.18**	−0.07*	0.00	0.03

*p < 0.05, **p < 0.001.