Soccer players` sleep quality and training load were affected by the COVID-19 lockdown: an international survey - Romdhani, M.; Washif, J. A.; Taylor, L.; Chamari, K.; on behalf of the "Athletes` Sleep During the Lockdown International Survey" Group Members (International Journal of Sports Physiology and Performance, 2023)
Keywords: soccer; performance; sleep; training programme; load; depression; emotion; sport psychology; USA; sport games; biological and medical sciences