| is disturbed sleep a mediator in the association between social support and myocardial infarction? | the objective of this study was to investigate a mediating relationship between social support and disturbed sleep in cases surviving myocardial infarction. the case-referent studies, stockholm heart epidemiological program (sheep) and västernorrland heart epidemiological program (vheep) were used comprising 6231 participants (2046 women). referents were randomly selected. disturbed sleep was operationalized by the karolinska sleep questionnaire, network support by the availability of social int ... | 2008 | 18086718 |