Ramzi Al Horani

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

I. Mujika, K. Chamari, N. Bragazzi, 2021, Sports Medicine.

Lockdown Duration and Training Intensity Affect Sleep Behavior in an International Sample of 1,454 Elite Athletes

I. Mujika, K. Chamari, P. Żmijewski, 2022, Frontiers in Physiology.

Ramadan Observance Exacerbated the Negative Effects of COVID-19 Lockdown on Sleep and Training Behaviors: A International Survey on 1,681 Muslim Athletes

I. Mujika, K. Chamari, P. Żmijewski, 2022, Frontiers in Nutrition.