In a cross-sectional survey of 609 community-dwelling older adults in Greece, sleep quality was modestly associated with better mental and physical health, more affiliative humor, and less emotional loneliness. Daytime napping increased with age and was more common in men. Dream recall was linked to better physical health, more self-enhancing humor, and less social loneliness. The authors caution that single-item, non-validated measures and multiple uncorrected statistical tests make these preliminary, hypothesis-generating findings, not confirmatory or causal evidence.
Patients in the intensive care unit (ICU) often retain fragmented memories of dreams and unreal experiences that can affect their psychosocial well-being. A systematic review of nine studies categorized these dreams as positive, distressing (including nightmares), or neutral. Two studies linked dream experiences to Guillain-Barré syndrome (GBS), mental abnormalities, and delirium; GBS patients reported more vivid dreams, hallucinations, and delusions than ICU controls, and delirious patients reported more frequent frightening dreams. Patients who recalled dreams tended to have more severe illness, longer stays, and higher ventilation frequency. Three studies consistently found that prolonged ICU stay significantly predicted dream recall, suggesting extended treatments. Recognizing these psychological aspects in post-ICU care is critical for alleviating enduring emotional consequences.