COVID-19 Lockdowns: A Worldwide Survey of Circadian Rhythms and Sleep Quality in 3911 Athletes from 49 Countries, with Data-Driven Recommendations

A power primer.

Jacob Cohen · Psychological Bulletin · 1992 · 42.2K citations

Public Health, Behavioral Sciences, Psychology +17

The Pittsburgh sleep quality index: A new instrument for psychiatric practice and research

Daniel J. Buysse, Charles F. Reynolds, T. H. Monk et al. · Psychiatry Research · 1989 · 34.7K citations

Medicine, Psychiatry, Psychology +16

A power primer.

Jacob Cohen · Psychological Bulletin · 1992 · 8.8K citations

Public Health, Behavioral Sciences, Psychology +17

Validation of the Insomnia Severity Index as an outcome measure for insomnia research

Célyne Bastien · Sleep Medicine · 2001 · 8K citations

Medicine, Psychiatry, Psychometrics +15

Brief Communication: Sleep Curtailment in Healthy Young Men Is Associated with Decreased Leptin Levels, Elevated Ghrelin Levels, and Increased Hunger and Appetite

Karine Spiegel, Esra Tasali, Plamen D. Penev et al. · Annals of Internal Medicine · 2004 · 2.4K citations

Medicine, Endocrinology, Physiology +17