Brain and Behavior
August 30, 2026
Waqar Husain, Achraf Ammar, Urwa‐Tul Wusqa et al.
BACKGROUND: Religious and spiritual practices are among the most ancient and universal human behaviors, yet their neurobiological substrates remain incompletely characterized. Neurotheology-the scientific study of the relationship between spiritual experience and brain function-has produced growing evidence that such practices generate measurable, systematic, and neuroplastic changes in brain...
Journal of Taibah University Medical Sciences
October 1, 2025
Ahmed S BaHammam
Medieval Arab-Islamic scholars (7th-13th centuries CE) made pivotal but underacknowledged contributions to sleep science, blending empirical observation with theological insight. This review examines primary texts, especially al-Rāzī's al-Ḥāwī fī al-Ṭibb and Ibn Sīnā's Canon of Medicine, alongside secondary literature to illuminate their advanced understanding of sleep physiology, disorders,...
International Journal of Environmental Research and Public Health
February 4, 2022
Amal A Alghamdi, Nora O Alafif, Ahmed S BaHammam et al.
Purpose: During the coronavirus disease 2019 (COVID-19) pandemic quarantine, university students were under various types of stressors, including the exams period, which might have affected their quality and quantity of sleep, and consequently, their quality of life. This study aimed to investigate the pattern and predictors of nightmares among university students and coinvestigate the presence...
Frontiers in Neurology
2019
Ahmed S BaHammam, Aljohara S Almeneessier
Obstructive sleep apnea (OSA) can present with or provoke various psychological symptoms. In this article, we critically review studies that have examined dreams, dream recall, and dream content in patients with OSA. Obstructive events induce recurrent sleep fragmentation and intermittent desaturations in patients with OSA, which may trigger different parasomnias, including nightmares....