A Prospective Study of the Physiological and Neurobehavioral Effects of Ramadan Fasting in Preteen and Teenage Boys

Farooq, Abdulaziz; Herrera, Christopher Paul; Almudahka, Fuad; Mansour, Rita

doi:10.1016/j.jand.2015.02.012

Cited by 45 publications

(38 citation statements)

References 41 publications

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“…Appropriate sleep durations recommended by the National Sleep Foundation (NSF) for adolescents and adults are approximately 8–10 hours10 with no specific recommendations for athletic populations. However, in the Middle East in particular, individuals obtain insufficient sleep relative to these recommendations across adults (6.2±1.7 hours)11 and adolescents (7 hours),12 13 including adolescent academy soccer players (6.3– 7.3 hours) 14…”

Section: Introductionmentioning

confidence: 99%

Inter-relationship between sleep quality, insomnia and sleep disorders in professional soccer players

Khalladi

Farooq

Souissi

et al. 2019

BMJ Open Sport Exerc Med

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ObjectiveInsufficient sleep duration and quality has negative effects on athletic performance, injury susceptibility and athlete development. This study aimed to assess the sleep characteristics of professional Qatar Stars League (QSL) soccer players.MethodsIn a cross-sectional study, QSL players (n=111; 23.7±4.8 years) completed three questionnaires to screen sleep disorders: (1) Pittsburgh Sleep Quality Index (PSQI), (2) Insomnia Severity Index (ISI) and (3) Epworth Sleepiness Scale (ESS). Poor sleep quality was defined as PSQI≥5, excessive daytime sleepiness was defined by ESS>8 and insomnia was defined as ISI≥11.ResultsThe prevalence of poor sleep quality (PSQI≥5) was 68.5%, with subthreshold insomnia (ISI≥11) 27.0% and daytime sleepiness 22.5% (ESS>8). Sleep quality was positively associated with insomnia (r=0.42, p<0.001) and daytime sleepiness (r=0.23, p=0.018). Age, anthropometry, body composition and ethnicity were not associated with any of the reported sleep quality parameters.ConclusionThe prevalence of poor sleep quality (68.5%) reported should concern practitioners. Increasing awareness of the importance of sleep relative to athletic performance, recovery, injury and illness appears prudent. Further, regular qualitative/quantitative sleep monitoring may help target subsequent evidence-informed interventions to improve sleep in those demonstrating undesirable sleep traits.

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Section: Introductionmentioning

confidence: 99%

Inter-relationship between sleep quality, insomnia and sleep disorders in professional soccer players

Khalladi

Farooq

Souissi

et al. 2019

BMJ Open Sport Exerc Med

Self Cite

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“…During Ramadan, the total amount of sleep may be affected due to late night prayers and major shift in the timing of meals. This would increase the frequency of sleep during the day to compensate (Kadri et al 2000;South et al 2013;Farooq et al 2015). The difficulty in sleeping was almost hardly applicable in this study as the data shows significant declined and remained stable.…”

Section: Discussionmentioning

confidence: 80%

Time Course of Cigarette Withdrawal Symptoms while Using Nicotine Patch during Ramadan

Maarof

Ali

Makmor‐Bakry

et al. 2018

JSKM

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Previous studies explain the time course of withdrawal symptoms among smokers pre and post quit attempt, either with or without the help of medication. Studies showed that male Muslim smokers could quit smoking during Ramadan since fasting relate to the changes in psychosomatic, daily activities and nicotine withdrawal symptoms. This study aimed to investigate the time course of withdrawal symptoms among smokers who used nicotine patch to quit smoking during fasting in Ramadan. A total of 40 eligible Muslim males who tried to quit smoking was selected and provided with smoking cessation counseling for the duration of 8 to 10 weeks while on nicotine patch. Participants level of withdrawal symptoms was recorded by using nine items of Minnesota Nicotine Withdrawal Scale over a period of 60 days. Participant's carbon monoxide reading and body weight were measured within six months including pre and post-Ramadan fasting. Over four weeks of the fasting month, the measured withdrawal symptoms such as urge to smoke (P ≤ 0.001), depressed mood (P ≤ 0.001), irritability/frustration or anger (P ≤ 0.05), anxiety (P ≤ 0.05), difficulty concentrating(P ≤ 0.001), restlessness (P ≤ 0.001), difficulty going to sleep (P ≤ 0.001) and impatient (P ≤ 0.05) significantly decreased except appetite by the end of week 4. Time course analyses demonstrated that all outcome measures showed good effects during cessation in fasting month. The point prevalence abstinence at first month of quitting was 67.5% which is higher in fasting month. This has shown positive clinical implications in managing smoking cessation program during Ramadan with the aid of nicotine patch.

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“…This can be attributed to the fact that eating exclusively at nighttime imposes significant alterations on individuals' life style and sleep-wake cycles. The studies described that combination of changes in sleep-wake cycle, food and fluid intakes, and circadian rhythms was likely to affect mental, physical, and [21] social performances .Several subjective or objective assessments on the sleep patterns during Ramadan fasting reported sleep architecture alterations, delayed bedtime, [22,23] and a significant reduction in nocturnal sleep .Their findings showed that sleep loss might be responsible for excessive fatigue and reduced alertness in the daytime. Ramadan fasting also imposes deep impacts on the natural circadian rhythm through significant shifts in sleep [21] patterns, body clock, and other physiological indices .Irritability could be increased during Ramadan fasting which was attributed to reduction in sleep time or nicotine [24] withdrawal .…”

Section: Discussionmentioning

confidence: 99%

Effect of Fasting On Cognitive Functioning In Healthy Young Adults

Shrunga

Shamooda

Shaniba

2017

Journal of Health and Allied Sciences NU

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Background and objective: Cognitive flexibility refers to the ability of the brain to switch from thinking about one concept to another simultaneously. The study was taken up to evaluate the effect of fasting on Cognitive Functioning In Healthy Young Adults. Methodology: A total of 20 healthy young adults participated in the study. Paper Stroop Color Test was employed to assess inhibition and cognitive flexibility. Participants were given 4 cards (word card color card and color-word card) and were instructed to read the card as told by the clinician. The total duration taken to complete each task and incorrect responses for each task was noted. The same experiment was done in fasting and non-fasting condition for each participant. Results: The results revealed no statistical significance between the 3 tasks between 2 conditions. Though our present study did not reveal statistical significance difference between 3 tasks and 2 conditions, it was found that the performance was better during the second condition i.e. after fasting condition in comparison to first condition i.e during fasting condition. Conclusion: The study justifies these findings to be reflected due to fluid deprivation, change in life style and sleep wake up cycles with in turn effects cognitive functioning. The study also highlights on the effectiveness of stroop task in identifying the changes in cognitive function due to fasting.

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A Prospective Study of the Physiological and Neurobehavioral Effects of Ramadan Fasting in Preteen and Teenage Boys

Abstract: Ramadan fasting was associated with significant changes in body composition, dietary intake, and sleep patterns. Reductions in attention and iron indices were observed in preteens only.

Cited by 45 publications

References 41 publications

Inter-relationship between sleep quality, insomnia and sleep disorders in professional soccer players

Inter-relationship between sleep quality, insomnia and sleep disorders in professional soccer players

Time Course of Cigarette Withdrawal Symptoms while Using Nicotine Patch during Ramadan

Effect of Fasting On Cognitive Functioning In Healthy Young Adults

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