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Home Science News Psychology & Psychiatry

Machine Learning Predicts Sleep Issues in Breast Cancer

October 3, 2025
in Psychology & Psychiatry
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In a groundbreaking study published in BMC Psychiatry, researchers have harnessed the power of machine learning to predict sleep disturbances among breast cancer patients in China, opening new horizons for personalized care in oncology. Sleep disturbance, a multifaceted disorder that plagues a significant portion of breast cancer patients, has long been recognized for its detrimental impact on treatment efficacy and overall quality of life. This pioneering research employs advanced artificial intelligence algorithms to unveil predictive patterns, providing clinicians with a formidable tool to combat this debilitating condition.

Sleep disturbance is a pervasive yet often under-recognized complication within the breast cancer community. Characterized by difficulties initiating or maintaining sleep, it exacerbates physical exhaustion, cognitive impairment, and emotional distress, thereby adversely affecting treatment outcomes. Despite its prevalence, the underlying risk factors contributing to sleep disruption in this population remain incompletely understood. This study embarks on a mission to decode the complex interplay of psychological, social, and biological variables that precipitate disturbed sleep, through sophisticated data analysis techniques.

The research team adopted a rigorous cross-sectional design, recruiting 644 breast cancer patients across multiple medical centers through carefully stratified random sampling. Participants engaged in in-depth, face-to-face interviews, completing a battery of questionnaires including the Patient-Reported Outcomes Measurement Information System Sleep Disturbance 8-item short form, a validated instrument designed to quantify the severity of sleep-related problems. This comprehensive dataset comprised 26 potential predictive variables spanning demographic data, emotional and psychological status, social support networks, and indicators of post-traumatic growth.

To distill the most salient predictors from this expansive dataset, the researchers utilized the Maximum Relevance and Minimum Redundancy (MRMR) feature selection method. MRMR is a powerful technique often employed in machine learning analytics to identify features that maximally contribute to the outcome variable while minimizing redundant information. By filtering through the noise, the model refines the input variables to those with the highest predictive value, setting the stage for robust model building.

Four distinct machine learning algorithms were deployed to construct predictive models: logistic regression, support vector machine, random forest, and gradient boosting machines. These models were trained on a portion of the dataset and rigorously tested on withheld samples to evaluate their predictive accuracy. The performance was measured using key metrics such as the area under the receiver operating characteristic curve (AUC), a standard indicator of a model’s discrimination ability, and accuracy—the proportion of correct predictions to total predictions.

The results were striking. The prevalence of sleep disturbances among the breast cancer cohort was found to be 30.59%, confirming the substantial burden of this problem within this clinical population. The machine learning models exhibited impressive predictive performances, with AUC scores ranging from 0.74 to 0.83 and accuracies between 73% and 82%, underscoring the remarkable potential of these algorithms to foresee sleep difficulties. Such predictive precision heralds a new era where early identification can guide timely, bespoke interventions.

Among the myriad features analyzed, five emerged as the most significant correlates of sleep disturbance: loneliness, new possibilities associated with post-traumatic growth, anxiety, depression, and social support. Loneliness, reflecting a subjective sense of social isolation, was especially influential, highlighting the psychological vulnerability that often accompanies breast cancer. The construct of post-traumatic growth, indicative of positive psychological changes following adversity, offered a nuanced insight—patients perceiving new possibilities after their diagnosis tended to experience fewer sleep problems.

The strong links with anxiety and depression reaffirm the bidirectional relationship between mental health and sleep quality. Emotional distress disrupts circadian rhythms and sleep architecture, perpetuating a vicious cycle that degrades patient well-being. Additionally, social support surfaced as a protective factor, with robust interpersonal connections mitigating stress and promoting healthier sleep patterns. These findings illuminate critical targets for psychosocial interventions aiming to alleviate sleep disturbances.

What sets this study apart is its integration of psychological constructs such as post-traumatic growth into predictive analytics, a relatively unexplored approach in oncological sleep research. By capturing the dual roles of vulnerability and resilience factors, the study emphasizes personalized medicine beyond biological markers alone. This holistic perspective fosters intervention strategies that not only address pharmacological needs but also bolster mental and social health.

The implications for clinical practice are profound. Predictive models grounded in machine learning offer clinicians a data-driven method to identify patients at elevated risk for sleep disturbances early in their treatment course. This foresight enables the deployment of tailored psychosocial interventions focused on reducing loneliness, managing anxiety and depression, enhancing social support networks, and promoting adaptive psychological growth. Such multifaceted management holds promise for improving treatment adherence, reducing symptom burden, and enhancing quality of life.

Furthermore, this research advocates for integrating machine learning into routine oncological assessments, signaling a paradigm shift in supportive cancer care. The fusion of AI-driven predictive analytics with comprehensive patient-reported outcomes elevates the standard of personalized care. As machine learning models become increasingly sophisticated and accessible, their potential to revolutionize symptom management expands beyond sleep disturbance to other complex, multifactorial problems faced by cancer patients.

Despite these advances, the study acknowledges certain limitations inherent to cross-sectional designs, including the inability to infer causality and potential biases in self-reported data. Prospective longitudinal studies are needed to validate these predictive models over time and across diverse populations. Moreover, integrating biological markers and objective sleep measurements such as polysomnography could further enhance predictive accuracy and mechanistic understanding.

In summary, this pioneering study demonstrates that machine learning algorithms can effectively predict sleep disturbances in breast cancer patients, with psychological and social factors playing pivotal roles. By illuminating key determinants such as loneliness and post-traumatic growth, the research charts a course for innovative, personalized interventions. As the oncology community embraces AI-driven tools, the future of symptom management looks increasingly promising, with improved outcomes and enhanced patient-centered care at its core.

As breast cancer incidence continues to rise globally, addressing sleep disturbance through predictive analytics offers a timely and impactful solution. This study represents a crucial step toward integrating technological innovation with compassionate care, ensuring that patients’ physical, emotional, and social needs are met comprehensively. The convergence of machine learning and psychosocial oncology exemplifies the future of precision medicine—where data-driven insights catalyze better health and well-being for millions.


Subject of Research: Sleep disturbance prediction in breast cancer patients using machine learning algorithms.

Article Title: Predicting sleep disturbance among patients with breast cancer in China through machine learning algorithms-a multi-site survey study.

Article References:
Liu, C., Li, S., Zhao, X. et al. Predicting sleep disturbance among patients with breast cancer in China through machine learning algorithms-a multi-site survey study. BMC Psychiatry 25, 932 (2025). https://doi.org/10.1186/s12888-025-07424-9

Image Credits: AI Generated

DOI: https://doi.org/10.1186/s12888-025-07424-9

Tags: advanced data analysis in medical researchartificial intelligence and healthcarebiological variables affecting sleepbreast cancer patient quality of lifechallenges of sleep disorders in cancer patientscross-sectional study design in healthcareimpact of sleep issues on treatmentmachine learning in oncologypersonalized care for cancer patientspredicting sleep disturbances in breast cancerpsychological factors in sleep disruptionsocial determinants of sleep quality
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