Nizar Souissi

Tunis, Tunisia

Last Updated: 09/26/2026

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Found 180 publications

Effects of Ramadan intermittent fasting on sleep, cognitive and physical performance in elite karate athletes: A within-subject repeated-measures study.

Effects of Ramadan intermittent fasting on sleep, cognitive and physical performance in elite karate athletes: A within-subject repeated-measures study.

Journal: Chronobiology international

Published: June 16, 2026

Effects of a Cognitively Enriched Playful Physical Activity Program on Executive Functions and School Readiness in Preschool Children.

Effects of a Cognitively Enriched Playful Physical Activity Program on Executive Functions and School Readiness in Preschool Children.

Journal: Behavioral sciences (Basel, Switzerland)

Published: April 30, 2026

Acute Caffeine Ingestion, Calendar-Based Menstrual-Cycle Window, Time of Day, and Match-Induced Fatigue Independently and Interactively Influence Psychophysiological, Cognitive, and Physical Performance in Elite Female Volleyball Players: A Randomized Double-Blind Placebo-Controlled Crossover Design Study.

Acute Caffeine Ingestion, Calendar-Based Menstrual-Cycle Window, Time of Day, and Match-Induced Fatigue Independently and Interactively Influence Psychophysiological, Cognitive, and Physical Performance in Elite Female Volleyball Players: A Randomized Double-Blind Placebo-Controlled Crossover Design Study.

Journal: Life (Basel, Switzerland)

Published: April 27, 2026

Differential Time-of-Day Effects of Caffeine Capsule and Mouth Rinse on Physical Performance and Volleyball-Specific Skills in Adolescent Male Volleyball Players.

Differential Time-of-Day Effects of Caffeine Capsule and Mouth Rinse on Physical Performance and Volleyball-Specific Skills in Adolescent Male Volleyball Players.

Journal: Nutrients

Published: April 16, 2026

Cross-country variability in Mediterranean lifestyle adherence and its psychosocial and behavioural correlates: insights from the MEDIET4ALL project across 10 Mediterranean and neighboring countries.

Cross-country variability in Mediterranean lifestyle adherence and its psychosocial and behavioural correlates: insights from the MEDIET4ALL project across 10 Mediterranean and neighboring countries.

Journal: Frontiers in nutrition

Published: February 09, 2026

Does sport expertise bridge the sex gap in mental rotation? Bayesian evidence for the critical role of visuospatial demands.

Does sport expertise bridge the sex gap in mental rotation? Bayesian evidence for the critical role of visuospatial demands.

Journal: Psychological research

Published: January 29, 2026

Progressive Smartphone Restriction Combined with Psychoeducational Guidance and Pre-Sleep Autonomic Regulation Improves Sleep Efficiency and Time-of-Day Cognitive Performance in Physically Active Students with Nomophobia: A Randomized Controlled Trial.

Progressive Smartphone Restriction Combined with Psychoeducational Guidance and Pre-Sleep Autonomic Regulation Improves Sleep Efficiency and Time-of-Day Cognitive Performance in Physically Active Students with Nomophobia: A Randomized Controlled Trial.

Journal: Life (Basel, Switzerland)

Published: January 08, 2026

Mood, technical performance, and physiological responses after 4 vs 4 small-sided soccer games of different durations: A pre-post study.

Mood, technical performance, and physiological responses after 4 vs 4 small-sided soccer games of different durations: A pre-post study.

Journal: Medicine

Published: January 07, 2026

Differential Time-of-Day Effects of Caffeine Capsule and Mouth Rinse on Cognitive Performance in Adolescent Male Volleyball Athletes: A Randomized Crossover Investigation.

Differential Time-of-Day Effects of Caffeine Capsule and Mouth Rinse on Cognitive Performance in Adolescent Male Volleyball Athletes: A Randomized Crossover Investigation.

Journal: Life (Basel, Switzerland)

Published: November 28, 2025

Napping, Caffeine, and Their Combination Enhanced Explosivity and Repeated-Sprint Performance: A Randomized Placebo-Controlled Study.

Napping, Caffeine, and Their Combination Enhanced Explosivity and Repeated-Sprint Performance: A Randomized Placebo-Controlled Study.

Journal: International journal of sport nutrition and exercise metabolism

Published: November 11, 2025

Effects of sleep restriction on cognitive and physical performance in elite karate athletes: A randomized crossover study.

Effects of sleep restriction on cognitive and physical performance in elite karate athletes: A randomized crossover study.

Journal: Medicine

Published: September 14, 2025

Effects of a five-day evening smartphone restriction on sleep, cognitive, and physical performance in university students: A single-arm repeated measures study stratified by nomophobia.

Effects of a five-day evening smartphone restriction on sleep, cognitive, and physical performance in university students: A single-arm repeated measures study stratified by nomophobia.

Journal: Medicine

Published: August 27, 2025

Showing 1-12 of 180

Last Updated: 09/26/2026