Ramadan observance is associated with higher fatigue and lower vigor in athletes: a systematic review and meta-analysis with meta-regression

References

• (*denotes studies included in the meta-analysis)
   Google Scholar
• Abbas, Z. (2015). Gastrointestinal health in ramadan with special reference to diabetes. The Journal of The Pakistan Medical Association, 65(5), 68–71.
   Web of Science ®Google Scholar
• Andrade, A., Bevilacqua, G., Casagrande, P., Brandt, R., & Coimbra, D. (2019). Sleep quality associated with mood in elite athletes. The Physician and Sports Medicine, 47(3), 312–317. https://doi.org/10.1080/00913847.2018.1553467
   PubMed Web of Science ®Google Scholar
• Armstrong, L. E., Ganio, M. S., Casa, D. J., Lee, E. C., McDermott, B. P., Klau, J. F., Jimenez, L., Le Bellego, L., Chevillotte, E., & Lieberman, H. R. (2012). Mild dehydration affects mood in healthy young women. The Journal of Nutrition, 142(2), 382–388. https://doi.org/10.3945/jn.111.142000
   PubMed Web of Science ®Google Scholar
• *Aziz, A. R., Che Muhamad, A. M., Roslan, S. R., Ghulam Mohamed, N., Singh, R., & Chia, M. Y. H. (2017). Poorer intermittent sprints performance in ramadan–fasted muslim footballers despite controlling for pre–exercise dietary intake, sleep and training load. Sports, 5(1), 4. https://doi.org/10.3390/sports5010004
   Web of Science ®Google Scholar
• *Aziz, A. R., Che Muhamed, A. M., Ooi, C. H., Singh, R., & Chia, M. Y. H. (2018). Effects of ramadan fasting on the physical activity profile of trained muslim soccer players during a 90–minute match. Science and Medicine in Football, 2(1), 29–38. https://doi.org/10.1080/24733938.2017.1393550
   Google Scholar
• *Aziz, A. R., Chia, M. Y. H., Low, C. Y., Slater, G. J., Png, W., & Teh, K. C. (2012). Conducting an acute intense interval exercise session during the ramadan fasting month: What is the optimal time of the day? Chronobiology International, 29(8), 1139–1150. https://doi.org/10.3109/07420528.2012.708375
   PubMed Web of Science ®Google Scholar
• *Aziz, A. R., Lim, D. S. L., Sahrom, S., Muhamed, A. C., Ihsan, M., Girard, O., & Chia, M. Y. H. (2020). Effects of ramadan fasting on match–related changes in skill performance in elite muslim badminton players. Science & Sports, 35(5), 308. e1–e10. https://doi.org/10.1016/j.scispo.2019.07.014
   Web of Science ®Google Scholar
• *Aziz, A. R., Wahid, M. F., Png, W., & Jesuvadian, C. V. (2010). Effects of ramadan fasting on 60 min of endurance running performance in moderately trained men. British Journal of Sports Medicine, 44(7), 516–521. https://doi.org/10.1136/bjsm.2009.070425
   PubMed Web of Science ®Google Scholar
• *Baklouti, H., Rejeb, N., Aloui, A., Jaafar, H., Ammar, A., Chtourou, H., Girard, O., & Souissi, N. (2017). Short versus long small-sided game training during ramadan in soccer players. Physical Therapy in Sport, 24, 20–25. https://doi.org/10.1016/j.ptsp.2016.10.002
   PubMed Web of Science ®Google Scholar
• Baum, K. T., Desai, A., Field, J., Miller, L. E., Rausch, J., & Beebe, D. W. (2014). Sleep restriction worsens mood and emotion regulation in adolescents. Journal of Child Psychology and Psychiatry, 55(2), 180–190. https://doi.org/10.1111/jcpp.12125
   PubMed Web of Science ®Google Scholar
• Beedie, C. J., Terry, P. C., & Lane, A. M. (2000). The profile of mood states and athletic performance: Two meta-analyses. Journal of Applied Sport Psychology, 12(1), 49–68. https://doi.org/10.1080/10413200008404213
   Web of Science ®Google Scholar
• Beedie, C. J., Terry, P. C., & Lane, A. M. (2005). Distinctions between emotion and mood. Cognition & Emotion, 19(6), 847–878. https://doi.org/10.1080/02699930541000057
   Web of Science ®Google Scholar
• Begg, C. B., & Mazumdar, M. (1994). Operating characteristics of a rank correlation test for publication bias. Biometrics, 50(4), 1088–1101. https://doi.org/10.2307/2533446
   PubMed Web of Science ®Google Scholar
• Benjamin, C. L., Curtis, R. M., Huggins, R. A., Sekiguchi, Y., Jain, R. K., McFadden, B. A., & Casa, D. J. (2020). Sleep dysfunction and mood in collegiate soccer athletes. Sports Health: A Multidisciplinary Approach, 12(3), 234–240. https://doi.org/10.1177/1941738120916735
   Google Scholar
• Berthelot, E., Etchecopar-Etchart, D., Thellier, D., Lancon, C., Boyer, L., & Fond, G. (2021). Fasting interventions for stress, anxiety and depressive symptoms: A systematic review and meta–analysis. Nutrients, 13(11), 3947. https://doi.org/10.3390/nu13113947
   PubMed Web of Science ®Google Scholar
• Boroumand, N., & Hashemy, S. I. (2015). The effect of ramadan fasting on endocrine system. Journal of Fasting and Health, 3(4), 148–155. https://doi.org/10.22038/JFH.2015.6313
   Google Scholar
• Bouhlel, E., Salhi, Z., Bouhlel, H., Mdella, S., Amamou, A., Zaouali, M., Mercier, J., Bigard, X., Tabka, Z., Zbidi, A., & Shephard, R. J. (2006). Effect of ramadan fasting on fuel oxidation during exercise in trained male rugby players. Diabetes & Metabolism, 32(6), 617–624. https://doi.org/10.1016/S1262-3636(07)70317-8
   PubMed Web of Science ®Google Scholar
• *Boukhris, O., Trabelsi, K., Shephard, R. J., Hsouna, H., Abdessalem, R., Chtourou, L., Ammar, A., Bragazzi, N. L., & Chtourou, H. (2019). Sleep patterns, alertness, dietary intake, muscle soreness, fatigue, and mental stress recorded before, during and after ramadan observance. Sports, 7(5), 118. https://doi.org/10.3390/sports7050118
   Web of Science ®Google Scholar
• *Bouzid, M. A., Abaïdia, A. E., Bouchiba, M., Ghattassi, K., Daab, W., Engel, F. A., & Chtourou, H. (2019). Effects of ramadan fasting on recovery following a simulated soccer match in professional soccer players: A pilot study. Frontiers in Physiology, 10, 1480. https://doi.org/10.3389/fphys.2019.01480
   PubMed Web of Science ®Google Scholar
• Brandt, R., Bevilacqua, G. G., Crocetta, T. B., Monteiro, C. B., Guarnieri, R., Hobold, E., Flores, L. J., Miarka, B., & Andrade, A. (2021). Comparisons of mood states associated with outcomes achieved by female and male athletes in high–level judo and Brazilian jiu-jitsu championships: Psychological factors associated with the probability of success. Journal of Strength and Conditioning Research, 35(9), 2518–2524. https://doi.org/10.1519/JSC.0000000000003218
   PubMed Web of Science ®Google Scholar
• *Brini, S., Abderrahman, A. B., Clark, C. C., Zouita, S., Hackney, A. C., Govindasamy, K., Granacher, U., & Zouhal, H. (2021). Sex-specific effects of small-sided games in basketball on psychometric and physiological markers during ramadan intermittent fasting: A pilot study. BMC sports science, Medicine & Rehabilitation, 13(1), 56. https://doi.org/10.1186/s13102-021-00285-1
   PubMed Web of Science ®Google Scholar
• Chamsi–Pasha, M., & Chamsi–Pasha, H. (2021). A review of the literature on the health benefits of salat (islamic prayer). The Medical Journal of Malaysia, 76(1), 93–97.
   PubMedGoogle Scholar
• *Chennaoui, M., Desgorces, F., Drogou, C., Boudjemaa, B., Tomaszewski, A., Depiesse, F., Burnat, P., Chalabi, H., & Gomez-Merino, D. (2009). Effects of ramadan fasting on physical performance and metabolic, hormonal, and inflammatory parameters in middle-distance runners. Applied Physiology, Nutrition, and Metabolism, 34(4), 587–594. https://doi.org/10.1139/H09-014
   PubMed Web of Science ®Google Scholar
• *Chtourou, H., Briki, W., Hammouda, O., Aloui, A., Souissi, N., & Chaouachi, A. (2014). The effect of the time–of–day of training during ramadan on soccer players’ chronotype and mood states. Sport Sciences for Health, 10(2), 143–147. https://doi.org/10.1007/s11332-014-0185-x
   Google Scholar
• Chtourou, H., Chtourou, L., Trabelsi, K., Tahri, N., & Souissi, N. (2018). Possible gastrointestinal disorders for athletes during ramadan: An overview. Biological Rhythm Research, 49(1), 51–60. https://doi.org/10.1080/09291016.2017.1333196
   Web of Science ®Google Scholar
• *Chtourou, H., Hammouda, O., Chaouachi, A., Chamari, K., & Souissi, N. (2012). The effect of time-of-day and ramadan fasting on anaerobic performances. International Journal of Sports Medicine, 33(2), 142–147. https://doi.org/10.1055/s-0031-1286251
   PubMed Web of Science ®Google Scholar
• *Chtourou, H., Hammouda, O., Souissi, H., Chamari, K., Chaouachi, A., & Souissi, N. (2011). The effect of ramadan fasting on physical performances, mood state and perceived exertion in young footballers. Asian Journal of Sports Medicine, 2(3), 177. https://doi.org/10.5812/asjsm.34757
   PubMedGoogle Scholar
• Coleman, N. (2019). Gastrointestinal issues in athletes. Current Sports Medicine Reports, 18(6), 185–187. https://doi.org/10.1249/JSR.0000000000000599
   PubMed Web of Science ®Google Scholar
• Di, S., & Tasker, J. G. (2004). Dehydration-induced synaptic plasticity in magnocellular neurons of the hypothalamic supraoptic nucleus. Endocrinology, 145(145), 5141–5149. https://doi.org/10.1210/en.2004-0702
   PubMedGoogle Scholar
• Dinges, D. F., Pack, F., Williams, K., Gillen, K. A., Powell, J. W., Ott, G. E., Aptowicz, C., & Pack, A. I. (1997). Cumulative sleepiness, mood disturbance, and psychomotor vigilance performance decrements during a week of sleep restricted to 4-5 h per night. Sleep, 20(4), 267–277.
   PubMed Web of Science ®Google Scholar
• Drake, C. L., Roehrs, T. A., Burduvali, E., Bonahoom, A., Rosekind, M., & Roth, T. (2001). Effects of rapid versus slow accumulation of eight hours of sleep loss. Psychophysiology, 38(6), 979–987. https://doi.org/10.1111/1469-8986.3860979
   PubMed Web of Science ®Google Scholar
• Drevon, D., Fursa, S. R., & Malcolm, A. L. (2017). Intercoder reliability and validity of WebPlotDigitizer in extracting graphed data. Behavior Modification, 41(2), 323–339. https://doi.org/10.1177/0145445516673998
   PubMed Web of Science ®Google Scholar
• Duval, S., & Tweedie, R. (2000). Trim and fill: A simple funnel–plot–based method of testing and adjusting for publication bias in meta-analysis. Biometrics, 56(2), 455–463. https://doi.org/10.1111/j.0006-341X.2000.00455.x
   PubMed Web of Science ®Google Scholar
• Egger, M., Davey Smith, G., Schneider, M., & Minder, C. (1997). Bias in meta–analysis detected by a simple, graphical test. BMJ, 315(7109), 629–634. https://doi.org/10.1136/bmj.315.7109.629
   PubMed Web of Science ®Google Scholar
• Ekkekakis, P. (2013). The measurement of affect, mood, and emotion: A guide for health-behavioral research. Cambridge University Press.
   Google Scholar
• Epstein, L., & Hassan, S. M. (2020). Why your sleep and wake cycles affect your mood. https://www.health.harvard.edu/blog/why-your-sleep-and-wake-cycles-affect-your-mood-2020051319792 (accessed on 2 May, 2022).
   Google Scholar
• Faris, M. E. A. I. E., Jahrami, H. A., Alhayki, F. A., Alkhawaja, N. A., Ali, A. M., Aljeeb, S. H., Abdulghani, I. H., & BaHammam, A. S. (2020). Effect of diurnal fasting on sleep during ramadan: A systematic review and meta–analysis. Sleep and Breathing, 24(2), 771–782. https://doi.org/10.1007/s11325-019-01986-1
   PubMed Web of Science ®Google Scholar
• Foster, R., Vaisberg, M., Bachi, A. L. L., Dos Santos, J. D. M. B., de Paula Vieira, R., Luna-Junior, L. A., Araujo, M. P., Parmigiano, T. R., Borges, F., & Di-Bella, Z. I. (2019). Premenstrual syndrome, inflammatory status, and mood states in soccer players. Neuroimmunomodulation, 26(1), 1–6. https://doi.org/10.1159/000494559
   PubMed Web of Science ®Google Scholar
• Ganio, M. S., Armstrong, L. E., Casa, D. J., McDermott, B. P., Lee, E. C., Yamamoto, L. M., Marzano, S., Lopez, R. M., Jimenez, L., Le Bellego, L., & Chevillotte, E. (2011). Mild dehydration impairs cognitive performance and mood of men. British Journal of Nutrition, 106(10), 1535–1543. https://doi.org/10.1017/S0007114511002005
   PubMed Web of Science ®Google Scholar
• Gobin, C. M., Banks, J. B., Fins, A. I., & Tartar, J. L. (2015). Poor sleep quality is associated with a negative cognitive bias and decreased sustained attention. Journal of Sleep Research, 24(5), 535–542. https://doi.org/10.1111/jsr.12302
   PubMed Web of Science ®Google Scholar
• *Graja, A., Ghattassi, K., Boudhina, N., Bouzid, M. A., Chahed, H., Ferchichi, S., Driss, T., Souissi, N., & Hammouda, O. (2021). Effect of ramadan intermittent fasting on cognitive, physical and biochemical responses to strenuous short-term exercises in elite young female handball players. Physiology & Behavior, 229, 113241. https://doi.org/10.1016/j.physbeh.2020.113241
   PubMed Web of Science ®Google Scholar
• Gucciardi, D. F., Lines, R. L., & Ntoumanis, N. (2022). Handling effect size dependency in meta-analysis. International Review of Sport and Exercise Psychology, 15(1), 152–178. https://doi.org/10.1080/1750984X.2021.1946835
   Web of Science ®Google Scholar
• *Gueldich, H., Zghal, F., Borji, R., Chtourou, H., Sahli, S., & Rebai, H. (2019). The effects of ramadan intermittent fasting on the underlying mechanisms of force production capacity during maximal isometric voluntary contraction. Chronobiology International, 36(5), 698–708. https://doi.org/10.1080/07420528.2019.1592183
   PubMed Web of Science ®Google Scholar
• Gunnell, K. E., Belcourt, V. J., Tomasone, J. R., & Weeks, L. C. (2022). Systematic review methods. International Review of Sport and Exercise Psychology, 15(1), 5–29. https://doi.org/10.1080/1750984X.2021.1966823
   Web of Science ®Google Scholar
• Hagger, M. (2022). Meta-analysis. International Review of Sport and Exercise Psychology, 15(1), 120–151. https://doi.org/10.1080/1750984X.2021.1966824
   Web of Science ®Google Scholar
• Halson, S. L. (2014). Monitoring training load to understand fatigue in athletes. Sports Medicine, 44(2), 139–147. https://doi.org/10.1007/s40279-014-0253-z
   Web of Science ®Google Scholar
• Harbaugh, W. T., Mayr, U., & Burghart, D. R. (2007). Neural responses to taxation and voluntary giving reveal motives for charitable donations. Science, 316(5831), 1622–1625. https://doi.org/10.1126/science.1140738
   PubMed Web of Science ®Google Scholar
• Harvey, A. G. (2011). Sleep and circadian functioning: Critical mechanisms in the mood disorders? Annual Review of Clinical Psychology, 7(1), 297–319. https://doi.org/10.1146/annurev-clinpsy-032210-104550
   PubMedGoogle Scholar
• Higgins, J., & Green, S. (2011). Cochrane handbook for systematic reviews of interventions. Wiley Blackwell.
   Google Scholar
• Higgins, J. P., Thompson, S. G., Deeks, J. J., & Altman, D. G. (2003). Measuring inconsistency in meta–analyses. BMJ, 327(7414), 557–560. https://doi.org/10.1136/bmj.327.7414.557
   PubMed Web of Science ®Google Scholar
• Hoffman, J. R., Bar–Eli, M., & Tenenbaum, G. (1999). An examination of mood changes and performance in a professional basketball team. The Journal of Sports Medicine and Physical Fitness, 39(1), 74–79.
   PubMed Web of Science ®Google Scholar
• Hooper, S., & Mackinnon, L. (1995). Monitoring overtraining in athletes. Sports Medicine, 20(5), 321–327. https://doi.org/10.2165/00007256-199520050-00003
   PubMed Web of Science ®Google Scholar
• *Hsouna, H., Abdessalem, R., Boukhris, O., Trabelsi, K., Chtourou, L., Tahri, N., Engel, F. A., Shephard, R. J., & Chtourou, H. (2019). Short–term maximal performance, alertness, dietary intake, sleep pattern and mood states of physically active young men before, during and after ramadan observance. PloS One, 14(6), e0217851. https://doi.org/10.1371/journal.pone.0217851
   PubMed Web of Science ®Google Scholar
• *Hsouna, H., Boukhris, O., Trabelsi, K., Abdessalem, R., Ammar, A., Glenn, J. M., Bott, N., Souissi, N., Lanteri, P., Garbarino, S., & Bragazzi, N. L. (2020). A thirty-five-minute nap improves performance and attention in the 5–m shuttle run test during and outside ramadan observance. Sports, 8(7), 98. https://doi.org/10.3390/sports8070098
   Web of Science ®Google Scholar
• Jafari, T., Ganji, F., Batenipoor, M., & Nasiri, J. (2021). A systematic review of blockchain for consent management. Healthcare, 9(2), 137–145. https://doi.org/10.3390/healthcare9020137
   Web of Science ®Google Scholar
• Kmet, L. M., Lee, R. C., & Cook, L. S. , Alberta Heritage Foundation for Medical Research, University of Calgary, & Calgary Health Region (2004). Standard quality assessment criteria for evaluating primary research papers from a variety of fields. Alberta Heritage Foundation for Medical Research.
   Google Scholar
• Lane, A. M., Devonport, T. J., Soos, I., Karsai, I., Leibinger, E., & Hamar, P. (2010). Emotional intelligence and emotions associated with optimal and dysfunctional athletic performance. Journal of Sports Science & Medicine, 9(3), 388–392.
   PubMed Web of Science ®Google Scholar
• Lane, A. M., & Terry, P. C. (2000). The nature of mood: Development of a conceptual model with a focus on depression. Journal of Applied Sport Psychology, 12(1), 16–33. https://doi.org/10.1080/10413200008404211
   Web of Science ®Google Scholar
• Lee, A., Myung, S. K., Cho, J. J., Jung, Y. J., Yoon, J. L., & Kim, M. Y. (2017). Night shift work and risk of depression: Meta-analysis of observational studies. Journal of Korean Medical Science, 32(7), 1091–1096. https://doi.org/10.3346/jkms.2017.32.7.1091
   PubMed Web of Science ®Google Scholar
• Lochbaum, M., Zanatta, T., Kirschling, D., & May, E. (2021). The profile of moods states and athletic performance: A meta-analysis of published studies. European journal of investigation in health, Psychology and Education, 11, 50–70. https://doi.org/10.3390/ejihpe11010005
   PubMed Web of Science ®Google Scholar
• Mashitah, M., & Lenggono, K. (2020). Quran recitation therapy reduces the depression levels of hemodialysis patients. International Journal of Research in Medical Sciences, 8(6), 2222–2227. https://doi.org/10.18203/2320-6012.ijrms20202271
   Google Scholar
• McMorris, T., Swain, J., Smith, M., Corbett, J., Delves, S., Sale, C., Harris, R. C., & Potter, J. (2006). Heat stress, plasma concentrations of Adrenaline, noradrenaline, 5-hydroxytryptamine and cortisol, mood state and cognitive performance. International Journal of Psychophysiology, 61(2), 204–215. https://doi.org/10.1016/j.ijpsycho.2005.10.002
   PubMed Web of Science ®Google Scholar
• McNair, D. M., Lorr, M., & Droppleman, L. F. (1971). Manual for the profile of mood states. Educational and Industrial Testing Service.
   Google Scholar
• McNair, D. M., Lorr, M., & Droppleman, L. F. (1992). Revised manual for the profile of mood states. Educational and Industrial Testing Service.
   Google Scholar
• Moghadam, D. S. (2002). Relative frequency of minor digestive symptoms in healthy fasting muslims and their relation to dietary pattern. Medical Journal of Mashhad University of Medical Sciences, 45(75), 59–66.
   Google Scholar
• Morris, S. B. (2008). Estimating effect sizes from pretest-posttest-control group designs. Organizational Research Methods, 11(2), 364–386. https://doi.org/10.1177/1094428106291059
   Web of Science ®Google Scholar
• Moyen, N. E., Ganio, M. S., Wiersma, L. D., Kavouras, S. A., Gray, M., McDERMOTT, B. P., Adams, J. D., Binns, A. P., Judelson, D. A., McKENZIE, A. L., & Johnson, E. C. (2015). Hydration status affects mood state and pain sensation during ultra-endurance cycling. Journal of Sports Sciences, 33(18), 1962–1969. https://doi.org/10.1080/02640414.2015.1021275
   PubMed Web of Science ®Google Scholar
• Page, M. J., McKenzie, J. E., Bossuyt, P. M., Boutron, I., Hoffmann, T. C., Mulrow, C. D., Shamseer, L., Tetzlaff, J. M., Akl, E. A., Brennan, S. E., & Chou, R. (2021). The state of population health research performance in the Middle East and north Africa: A meta-research study. Systematic Reviews, 10(1), 1–11. https://doi.org/10.1186/s13643-020-01552-x
   PubMed Web of Science ®Google Scholar
• Page, M. J., Moher, D., Bossuyt, P. M., Boutron, I., Hoffmann, T. C., Mulrow, C. D., Shamseer, L., Tetzlaff, J. M., Akl, E. A., Brennan, S. E., & Chou, R. (2021a). PRISMA 2020 explanation and elaboration: Updated guidance and exemplars for reporting systematic reviews. British Medical Journal, 372. https://doi.org/10.1136/bmj.n160
   Google Scholar
• Petri, N. M., Dropulic, N., & Kardum, G. (2006). Effects of voluntary fluid intake deprivation on mental and psychomotor performance. Croatian Medical Journal, 47, 855–861.
   PubMed Web of Science ®Google Scholar
• Pilcher, J. J., & Huffcutt, A. I. (1996). Effects of sleep deprivation on performance: A meta-analysis. Sleep, 19(4), 318–326. https://doi.org/10.1093/sleep/19.4.318
   PubMed Web of Science ®Google Scholar
• Pross, N., Demazieres, A., Girard, N., Barnouin, R., Santoro, F., Chevillotte, E., Klein, A., & Le Bellego, L. (2013). Influence of progressive fluid restriction on mood and physiological markers of dehydration in women. British Journal of Nutrition, 109(2), 313–321. https://doi.org/10.1017/S0007114512001080
   PubMed Web of Science ®Google Scholar
• Rosenthal, L., Roehrs, T. A., Rosen, A., & Roth, T. (1993). Level of sleepiness and total sleep time following various time in bed conditions. Sleep, 16(3), 226–232. https://doi.org/10.1093/sleep/16.3.226
   PubMed Web of Science ®Google Scholar
• Ross, E. J., Vivier, H., Cassisi, J. E., & Dvorak, R. D. (2020). Gastrointestinal health: An investigation of mediating effects on mood and quality of life. Health Psychology Open, 7(2), 2055102920974524. https://doi.org/10.1177/2055102920974524
   Web of Science ®Google Scholar
• Russell, J. A. (1980). A circumplex model of affect. Journal of Personality and Social Psychology, 39(6), 1161–1178. https://doi.org/10.1037/h0077714
   Web of Science ®Google Scholar
• *Saddoud, A., Khacharem, A., H’Mida, C., Trabelsi, K., Boukhris, O., Ammar, A., Clark, C. C., Glenn, J. M., Chtourou, H., Jarraya, M., & Rosemann, T. (2021). Ramadan observance is associated with impaired kung-fu-specific decision–making skills. International Journal of Environmental Research and Public Health, 18(14), 7340. https://doi.org/10.3390/ijerph18147340
   PubMed Web of Science ®Google Scholar
• Saksvik-Lehouillier, I., Saksvik, S. B., Dahlberg, J., Tanum, T. K., Ringen, H., Karlsen, H. R., Smedbøl, T., Sørengaard, T. A., Stople, M., Kallestad, H., & Olsen, A. (2020). Mild to moderate partial sleep deprivation is associated with increased impulsivity and decreased positive affect in young adults. Sleep, 43(10), zsaa078. https://doi.org/10.1093/sleep/zsaa078
   PubMed Web of Science ®Google Scholar
• Saleem, T., Saleem, S., Mushtaq, R., & Gul, S. (2021). Belief salience, religious activities, frequency of prayer offering, religious offering preference and mental health: A study of religiosity among muslim students. Journal of Religion and Health, 60(2), 726–735. https://doi.org/10.1007/s10943-020-01046-z
   PubMed Web of Science ®Google Scholar
• Sharif, N. S., Hojjati, H., Nazari, R., Gorbani, M., & Akhoondzade, G. (2012). The effect of prayer on mental health of hemodialysis patients. Iranian Journal of Critical Care Nursing, 5(1), 29–34.
   Google Scholar
• Suh, H., Lieberman, H. R., Jansen, L. T., Colburn, A. T., Adams, J. D., Seal, A. D., Butts, C. L., Kirkland, T. M., Melander, O., Vanhaecke, T., & Dolci, A. (2021). Cellular dehydration acutely degrades mood mainly in women: A counterbalanced, crossover trial. British Journal of Nutrition, 125(10), 1092–1100. https://doi.org/10.1017/S0007114520003475
   PubMed Web of Science ®Google Scholar
• Talbot, L. S., McGlinchey, E. L., Kaplan, K. A., Dahl, R. E., & Harvey, A. G. (2010). Sleep deprivation in adolescents and adults: Changes in affect. Emotion, 10(6), 831–841. https://doi.org/10.1037/a0020138
   PubMed Web of Science ®Google Scholar
• Terry, P. C., Lane, A. M., & Fogarty, G. (2003). Construct validity of the Profile of Mood States — adolescents for use with adults. Psychology of Sport and Exercise, 4(2), 125–139. https://doi.org/10.1016/S1469-0292(01)00035-8
   Web of Science ®Google Scholar
• Terry, P. C., Lane, A. M., Lane, H. J., & Keohane, L. (1999). Development and validation of a mood measure for adolescents. Journal of Sports Sciences, 17(11), 861–872. https://doi.org/10.1080/026404199365425
   PubMed Web of Science ®Google Scholar
• Terry, P. C., & Parsons-Smith, R. L. (2021). Mood profiling for sustainable mental health among athletes. Sustainability, 13(11), 6116. https://doi.org/10.3390/su13116116
   Web of Science ®Google Scholar
• Tomaso, C. C., Johnson, A. B., & Nelson, T. D. (2021). The effect of sleep deprivation and restriction on mood, emotion, and emotion regulation: Three meta-analyses in one. Sleep, 44(6), 6. zsaa289. https://doi.org/10.1093/sleep/zsaa289
   Web of Science ®Google Scholar
• Trabelsi, K., Ammar, A., Boukhris, O., Glenn, J. M., Clark, C. C., Stannard, S. R., Slater, G., Żmijewski, P., Driss, T., Ben Saad, H., & Chamari, K. (2022). Dietary intake and body composition during ramadan in athletes: A systematic review and meta-analysis with meta–regression. Journal of The American Nutrition Association, 1–22. https://doi.org/10.1080/07315724.2021.2000902
   Google Scholar
• Trabelsi, K., Ammar, A., Glenn, J. M., Boukhris, O., Khacharem, A., Bouaziz, B., Zmijewski, P., Lanteri, P., Garbarino, S., Clark, C. C., & Chamari, K. (2021). Does observance of ramadan affect sleep in athletes and physically active individuals? A systematic review and meta-analysis. Journal of Sleep Research, 31(3), e13503.
   PubMed Web of Science ®Google Scholar
• Trabelsi, K., Bragazzi, N., Zlitni, S., Khacharem, A., Boukhris, O., El-Abed, K., Ammar, A., Khanfir, S., Shephard, R. J., Hakim, A., & Moalla, W. (2020). Observing Ramadan and sleep-wake patterns in athletes: A systematic review, meta-analysis and meta-regression. British Journal of Sports Medicine, 54(11), 674–680. https://doi.org/10.1136/bjsports-2018-099898
   PubMed Web of Science ®Google Scholar
• Trabelsi, K., Rebai, H., El-Abed, K., Stannard, S. R., Khannous, H., Masmoudi, L., Sahnoun, Z., Hakim, A., Fellman, N., & Tabka, Z. (2011). Effect of ramadan fasting on body water status markers after a rugby sevens match. Asian Journal of Sports Medicine, 2(3), 186–194. https://doi.org/10.5812/asjsm.34748
   PubMedGoogle Scholar
• Trabelsi, K., Stannard, S. R., Chtourou, H., Moalla, W., Ghozzi, H., Jamoussi, K., & Hakim, A. (2018). Monitoring athletes’ hydration status and sleep patterns during ramadan observance: Methodological and practical considerations. Biological Rhythm Research, 49(3), 337–365. https://doi.org/10.1080/09291016.2017.1368214
   Web of Science ®Google Scholar
• Trabelsi, K., Stannard, S. R., Ghlissi, Z., Maughan, R. J., Kallel, C., Jamoussi, K., Zeghal, K. M., & Hakim, A. (2013). Effect of fed versus fasted state resistance training during ramadan on body composition and selected metabolic parameters in bodybuilders. Journal of The International Society of Sports Nutrition, 10(1), 23. https://doi.org/10.1186/1550-2783-10-23
   PubMedGoogle Scholar
• Triantafillou, S., Saeb, S., Lattie, E. G., Mohr, D. C., & Kording, K. P. (2019). Relationship between sleep quality and mood: Ecological momentary assessment study. JMIR Mental Health, 6(3), e12613. https://doi.org/10.2196/12613
   PubMed Web of Science ®Google Scholar
• van Wijk, C. H., Martin, J. H., & Hans-Arendse, C. (2013). Clinical utility of the brunel mood scale in screening for post-traumatic stress risk in a military population. Military Medicine, 178(4), 372–376. https://doi.org/10.7205/MILMED-D-12-00422
   PubMed Web of Science ®Google Scholar
• Zhang, N., Du, S. M., Zhang, J. F., & Ma, G. S. (2019). Effects of dehydration and rehydration on cognitive performance and mood among male college students in cangzhou, China: A self-controlled trial. International Journal of Environmental Research and Public Health, 16(11), 1891. https://doi.org/10.3390/ijerph16111891
   Web of Science ®Google Scholar