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Frontier mental health research: psychedelics & drug studies

Each month our editorial team sifts through hundreds of papers and curates notable findings—for practitioners and informed readers who want to stay current with the evidence. Subscribe to the monthly Research Digest for expert analysis and concise summaries of key papers.

Circadian rhythm and melatonin Psychology Environmental health

1 paper

The effects of physical activity on cortisol and sleep: A systematic review and meta-analysis

Len De Nys, Kerry Anderson, Esther Frema Ofosu, Gemma C. Ryde, Jenni Connelly, Anna C. Whittaker
Psychoneuroendocrinology Summary & key facts 2022 227 citations

This review combined results from 10 intervention studies to see if physical activity programs change cortisol (a stress hormone) and sleep in adults. The pooled results found lower cortisol after activity programs and some improvement in sleep quality. The authors say the evidence is moderate for cortisol and low for…

Circadian rhythm and melatonin Physical Activity and Health Sleep and related disorders
Summaries and links are for general information and education only. They are not a substitute for reading the original publication or for professional medical, legal, or other advice. Always refer to the linked source for the full study.