“…However, few people with SMI access treatment for insomnia (Klingaman, McCarthy, Schwartz, Gehrman, & Bennett, ; Qaseem, Kansagara, Forciea, Cooke, & Denberg, ). When they do, they have more difficulty adhering (Dopke, Lehner, & Wells, ; Siebern & Manber, ), experience more modest gains (Jansson‐Fröjmark & Norell‐Clarke, ; Harvey et al., ), and are less likely to retain gains long‐term (Harvey et al., ) compared with people without SMI. Experts have called for close examination of beliefs about insomnia among people with SMI as possible obstacles to treatment adherence and response (Faulkner & Bee, ; Freeman et al., ; Siebern & Manber, ).…”