“…Lack of sleep also intensified SwFCs' feelings of anger, and feelings that they were incompetent as a caregivers (Caap-Ahlgren & Dehlin, 2002;Efraimsson et al;Ekwall, Sivberg, & Hallberg, 2005;Persson & Zingmark). As a result, they began to doubt their ability to provide care (Lundh, Sandberg, & Nolan, 2000;Persson & Zingmark;Stoltz et al, 2006), feeling helpless (Munck et al) and frustrated (Janlöv, Hallberg, & Petersson, 2006;Milberg & Strang, 2003;Munck et al).…”