Insomnia Severity is Associated with Morning Cortisol and Psychological Health.

Studies suggest associations between cortisol and sleep, and cortisol shows a profound diurnal rhythm. The evidence about the relationship between chronic insomnia and cortisol is mixed. Chronic insomnia is associated with the risk of mental health disorders.

Effects of exercise training and exercise plus acupuncture on chronic insomnia: a feasibility study.

Objective: The aim of this study was to investigate the effects of exercise and exercise plus acupuncture on chronic insomnia.

Material And Methods: suggest replacing with "effects of" no feasibility things are reported chronic insomnia were randomized to a 12-week treatment with exercise or exercise plus acupuncture. Exercise treatment included 50 minutes of moderate-intensity aerobic exercise (50% of reserve heart rate), on a treadmill, 3 times/wk.