Articles related to INSOMNIA/SLEEP DISORDERS

Experts reviewing available evidence suggest melatonin and magnesium may support sleep through different mechanisms, though benefits appear dependent on the underlying cause of sleep disturbance and overall evidence remains mixed, particularly for magnesium.

A systematic review and meta-analysis of studies involving more than 230,000 adolescents found that greater social jet lag was associated with higher anxiety levels. The findings identified a consistent but small association and did not establish causality.

Among adults with both sleep disturbances and mild cognitive impairment, self-reported vitamin D supplementation of at least 5,000 IU daily was associated with higher cognitive assessment scores in a small observational study, while lower doses showed no similar association.

Objective sleep measurements from nearly 61,000 adults linked greater sleep regularity with lower all-cause, cancer, and cardiometabolic mortality risk. Sleep regularity outperformed sleep duration in mortality prediction models.

Six weeks of moderate sleep restriction increased weight, waist circumference, and sedentary time in adults with baseline adequate sleep and elevated cardiometabolic risk.

Hormone therapy status was associated with differences in diet, physical activity, and sleep guideline adherence in a cross-sectional analysis of more than 10,000 women.