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Hilde Bruch (1978) was one of the first to describe the phenomenon of anorectic patients experiencing a critical inner voice. Although several qualitative studies regarding eating disorder patients report this experience, few quantitative studies have been conducted in which hearing voices was examined in eating disorder patients. This motivated us to investigate whether eating disorder patients (N = 74) experience critical inner voices significantly more often than a healthy control group (N = 58). Is voice hearing related to the severity of the eating disorder and to low self-esteem and high self-criticism? These questions will be addressed in this article.

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Grounded in self-determination theory, this study tested the hypothesis that the satisfaction and frustration of the psychological needs for autonomy, competence, and relatedness would relate to fatigue and subjective and objective sleep parameters, with stress and negative sleep cognitions playing an explanatory role in these associations. During a stay at a sleep laboratory in Belgium, individuals with unexplained chronic fatigue (N = 160; 78% female) underwent polysomnography and completed a questionnaire at 3 different points in time (i.e., after arrival in the sleep lab, before bedtime, and the following morning) that assessed their need-based experiences and stress during the previous week, fatigue during the preceding day, and sleep-related cognitions and sleep during the previous night. Results indicated that need frustration related to higher stress, which in turn, related to higher evening fatigue. Need frustration also related to poorer subjective sleep quality and shorter sleep duration, as indicated by both subjective and objective shorter total sleep time and subjective (but not objective) longer sleep latency. These associations were accounted for by stress and negative sleep cognitions. These findings suggest that health care professionals working with individuals with unexplained chronic fatigue may consider focusing on basic psychological needs within their therapeutic approach.

During exam periods university students are at risk for poor sleep. To understand variability in this vulnerability for poor sleep, the role of the satisfaction of the basic psychological needs for autonomy, competence, and relatedness was examined by assessing university students (N = 121; 78% female; M age = 21.69, SD = 1.39, range 19-25) before, during, and after an exam period. Need-based and sleep-related functioning deteriorated during the exam period and then improved after the exam period. As need satisfaction decreased (i.e., from pre-exam to exam period) sleep quality, sleep quantity and daytime functioning deteriorated, while subsequent increases in need satisfaction (i.e., from exam to the post-exam period) were accompanied by improvements in sleep quality and daytime functioning. These correlated changes in need-based experiences and the sleep-related outcomes were largely accounted for by changes in stress, suggesting that stress may play an explanatory role in these associations.

Need frustration represents a transdiagnostic vulnerability process that helps to explain why self-critical perfectionism relates to depressive symptoms and eating disorder symptoms.

Research has not yet examined the relationship between psychological need satisfaction, sleep, mindfulness, and health-related quality of life in people living with HIV. This cross-sectional study ( N = 101; 84% male; mean age = 45.48, SD = 12.75) found need satisfaction to relate positively to physical and mental health. Sleep quality fully mediated the association with physical health and partially mediated the association with mental health. Furthermore, mindfulness related to higher sleep quality through higher need satisfaction. Findings underscore the role of need satisfaction in determining health-related quality of life and sleep quality in people living with HIV and suggest that mindfulness may facilitate need satisfaction.

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