Study Results
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Basic Information
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NOT_YET_RECRUITING
NA
64 participants
INTERVENTIONAL
2025-12-31
2026-05-31
Brief Summary
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Detailed Description
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This trial investigates the effects of an 8-week, moderate-intensity resistance exercise program performed in the morning, delivered through telerehabilitation.
Participants include healthy young adults with self-identified morning or evening chronotypes. The study will measure changes in sleep quality, psychological well-being, alignment of daily rhythms, and will explore whether men and women respond differently to the program..
By comparing outcomes between chronotypes, this research aims to clarify whether exercise benefits are shaped by biological preference for morning or evening activity, or whether improvements occur regardless of chronotype.
The central question is whether improvements occur equally across chronotypes, or if biological preference shapes the response to exercise.
Null Hypothesis (H0): Moderate-intensity morning resistance exercise will have no differential effect on sleep quality, mood, or circadian alignment between participants with morning and evening chronotypes.
Alternative Hypothesis (H1):Moderate-intensity morning resistance exercise will have a differential effect on sleep quality, mood, or circadian alignment between participants with morning and evening chronotypes.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
BASIC_SCIENCE
NONE
Study Groups
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Morning Chronotype - Moderate-Intensity Resistance Exercise
Participants identified as morning chronotypes (Munich Chronotype Questionnaire) will complete an 8-week, moderate-intensity resistance exercise program delivered online. Sessions are held in the morning, three times per week, lasting \~45 minutes (5-min warm-up, 35-min resistance training, 5-min cool-down). Exercises include push-ups, wall sits, squats, resistance band presses and pulls, rows, superman holds, and planks. Intensity is guided by 1RM testing, perceived exertion scales, and 7 point Likert scale of muscle soreness.
Moderate-Intensity Resistance Exercise Program
An 8-week, moderate-intensity resistance exercise program performed in the morning, 3 sessions/week on nonconsecutive days. Each 45-min session includes: 5-min warm-up (jumping jacks, high knees, running in place, hip hinge with reach, standing twists); 35-min progressive resistance training (Chest Press (Modified Push-Ups), Leg Press (Wall Sits with Squats), Squats, Shoulder Press (Resistance Band Overhead Press), Lat Pulldown (Resistance Band Pull-Downs), Rowing (Resistance Band Rows), Lower Back (Superman Holds), and Abdominals (Plank with Crunches)); and 5-min cool-down (Chest and Shoulder Stretch, Kneeling Hip Flexor Stretch, Standing Hamstring Stretch, Child's Pose with Side Stretch, and Cat-Cow Stretch ). Muscle soreness tracked after each session using 7-point Likert scale. Standardized videos, adherence checklists, resistance bands provided. Both chronotype groups complete identical sessions, outcomes compared.
Evening Chronotype - Moderate-Intensity Resistance Exercise
Participants identified as evening chronotypes (Munich Chronotype Questionnaire) will complete an 8-week, moderate-intensity resistance exercise program delivered online. Sessions are held in the morning, three times per week, lasting \~45 minutes (5-min warm-up, 35-min resistance training, 5-min cool-down). Exercises include push-ups, wall sits, squats, resistance band presses and pulls, rows, superman holds, and planks. Intensity is guided by 1RM testing, perceived exertion scales, and 7 point Likert scale of muscle soreness.
Moderate-Intensity Resistance Exercise Program
An 8-week, moderate-intensity resistance exercise program performed in the morning, 3 sessions/week on nonconsecutive days. Each 45-min session includes: 5-min warm-up (jumping jacks, high knees, running in place, hip hinge with reach, standing twists); 35-min progressive resistance training (Chest Press (Modified Push-Ups), Leg Press (Wall Sits with Squats), Squats, Shoulder Press (Resistance Band Overhead Press), Lat Pulldown (Resistance Band Pull-Downs), Rowing (Resistance Band Rows), Lower Back (Superman Holds), and Abdominals (Plank with Crunches)); and 5-min cool-down (Chest and Shoulder Stretch, Kneeling Hip Flexor Stretch, Standing Hamstring Stretch, Child's Pose with Side Stretch, and Cat-Cow Stretch ). Muscle soreness tracked after each session using 7-point Likert scale. Standardized videos, adherence checklists, resistance bands provided. Both chronotype groups complete identical sessions, outcomes compared.
Interventions
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Moderate-Intensity Resistance Exercise Program
An 8-week, moderate-intensity resistance exercise program performed in the morning, 3 sessions/week on nonconsecutive days. Each 45-min session includes: 5-min warm-up (jumping jacks, high knees, running in place, hip hinge with reach, standing twists); 35-min progressive resistance training (Chest Press (Modified Push-Ups), Leg Press (Wall Sits with Squats), Squats, Shoulder Press (Resistance Band Overhead Press), Lat Pulldown (Resistance Band Pull-Downs), Rowing (Resistance Band Rows), Lower Back (Superman Holds), and Abdominals (Plank with Crunches)); and 5-min cool-down (Chest and Shoulder Stretch, Kneeling Hip Flexor Stretch, Standing Hamstring Stretch, Child's Pose with Side Stretch, and Cat-Cow Stretch ). Muscle soreness tracked after each session using 7-point Likert scale. Standardized videos, adherence checklists, resistance bands provided. Both chronotype groups complete identical sessions, outcomes compared.
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Generally healthy, with mild to moderate sleep disturbance as categorized by the Pittsburgh Sleep Quality Index (PSQI)
* Body Mass Index (BMI) \< 35 kg/m²
* No physical or organic limitations or diseases that would prevent participation in physical activity
* Non-smoker and non-alcoholic
* Caffeine consumption ≤ 2 cups per day (including coffee and energy drinks)
* Have not participated in more than 60 minutes/week of usual moderate-to-vigorous physical activity in the past 6 months, categorized as "moderate" on the International Physical Activity Questionnaire-Short Form (IPAQ-SF)
* No clinically diagnosed sleep apnea or other medical/psychiatric disorders responsible for sleep complaints
* Regular sleep schedule (no night shifts or transmeridian travel) in the 30 days prior to study enrollment
* Able to speak and write English
Exclusion Criteria
* Use of melatonin or other sleep aids in the past month
* Currently performing any aerobic or mind-body exercise classes (e.g., yoga, Pilates)
* Habitual daytime napping
* History of epilepsy or other convulsive disorders
* Pregnant individuals
* Habitual or recent use (within the past 30 days) of illegal drugs, psychotropic drugs, hypnotics, stimulants, or analgesics
18 Years
35 Years
ALL
Yes
Sponsors
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Medipol University
OTHER
Responsible Party
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Aliaa Salem Mohamed Mohamed Menshawi
Principal Investigator
Principal Investigators
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Gizem Ergezen Şahin, Dr. Assistant Professor
Role: STUDY_DIRECTOR
Department of Physiotherapy and Rehabilitation/Istanbul Medipol University
Locations
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Medipol University
Istanbul, Beykoz/İstanbul, Turkey (Türkiye)
Countries
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Central Contacts
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Aliaa Salem Menshawi, PT, MSc (Cand.)
Role: CONTACT
Gehad Salem Menshawi, PT, MSc (Cand.)
Role: CONTACT
Facility Contacts
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References
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Kredlow MA, Capozzoli MC, Hearon BA, Calkins AW, Otto MW. The effects of physical activity on sleep: a meta-analytic review. J Behav Med. 2015 Jun;38(3):427-49. doi: 10.1007/s10865-015-9617-6. Epub 2015 Jan 18.
Cheville AL, Kollasch J, Vandenberg J, Shen T, Grothey A, Gamble G, Basford JR. A home-based exercise program to improve function, fatigue, and sleep quality in patients with Stage IV lung and colorectal cancer: a randomized controlled trial. J Pain Symptom Manage. 2013 May;45(5):811-21. doi: 10.1016/j.jpainsymman.2012.05.006. Epub 2012 Sep 24.
Karandikar-Agashe G, Agrawal R. Comparative Study of the Effect of Resistance Exercises versus Aerobic Exercises in Postmenopausal Women Suffering from Insomnia. J Midlife Health. 2020 Jan-Mar;11(1):2-5. doi: 10.4103/jmh.JMH_35_19. Epub 2020 May 4.
Passos GS, Poyares D, Santana MG, Garbuio SA, Tufik S, Mello MT. Effect of acute physical exercise on patients with chronic primary insomnia. J Clin Sleep Med. 2010 Jun 15;6(3):270-5.
de Sa Souza H, de Melo CM, Piovezan RD, Miranda REEPC, Carneiro-Junior MA, Silva BM, Thomatieli-Santos RV, Tufik S, Poyares D, D'Almeida V. Resistance Training Improves Sleep and Anti-Inflammatory Parameters in Sarcopenic Older Adults: A Randomized Controlled Trial. Int J Environ Res Public Health. 2022 Dec 6;19(23):16322. doi: 10.3390/ijerph192316322.
Maric D, Ficarra S, Di Bartolo L, Rossi C, Asimakopoulou Z, Vantarakis A, Carbonell-Baeza A, Jimenez-Pavon D, Gomes B, Tavares P, Baxter R, Pusa S, Thaller P, Papakonstantinou S, Kirkar M, Glorioso F, Galioto M, Gentile A, Thomas E, Bianco A. Effects of resistance training on sleep quality and disorders among individuals diagnosed with cancer: A systematic review and meta-analysis of randomized controlled trials. Cancer Med. 2024 Apr;13(8):e7179. doi: 10.1002/cam4.7179.
Vickers AJ. Time course of muscle soreness following different types of exercise. BMC Musculoskelet Disord. 2001;2:5. doi: 10.1186/1471-2474-2-5. Epub 2001 Oct 23.
Morishita S, Tsubaki A, Takabayashi T, Fu JB. Relationship between the rating of perceived exertion scale and the load intensity of resistance training. Strength Cond J. 2018 Apr;40(2):94-109. doi: 10.1519/SSC.0000000000000373.
Robertson RJ, Goss FL, Rutkowski J, Lenz B, Dixon C, Timmer J, Frazee K, Dube J, Andreacci J. Concurrent validation of the OMNI perceived exertion scale for resistance exercise. Med Sci Sports Exerc. 2003 Feb;35(2):333-41. doi: 10.1249/01.MSS.0000048831.15016.2A.
Terry PC, Lane AM, Lane HJ, Keohane L. Development and validation of a mood measure for adolescents. J Sports Sci. 1999 Nov;17(11):861-72. doi: 10.1080/026404199365425.
Carney CE, Buysse DJ, Ancoli-Israel S, Edinger JD, Krystal AD, Lichstein KL, Morin CM. The consensus sleep diary: standardizing prospective sleep self-monitoring. Sleep. 2012 Feb 1;35(2):287-302. doi: 10.5665/sleep.1642.
Seo DI, Kim E, Fahs CA, Rossow L, Young K, Ferguson SL, Thiebaud R, Sherk VD, Loenneke JP, Kim D, Lee MK, Choi KH, Bemben DA, Bemben MG, So WY. Reliability of the one-repetition maximum test based on muscle group and gender. J Sports Sci Med. 2012 Jun 1;11(2):221-5. eCollection 2012.
Sjostrom, M., Ainsworth, B.E., Bauman, A., Bull, F.C., Hamilton-Craig, C.R., & Sallis, J.F. (2005). Guidelines for data processing analysis of the International Physical Activity Questionnaire (IPAQ) - Short and long forms.
Craig CL, Marshall AL, Sjostrom M, Bauman AE, Booth ML, Ainsworth BE, Pratt M, Ekelund U, Yngve A, Sallis JF, Oja P. International physical activity questionnaire: 12-country reliability and validity. Med Sci Sports Exerc. 2003 Aug;35(8):1381-95. doi: 10.1249/01.MSS.0000078924.61453.FB.
Zavada A, Gordijn MC, Beersma DG, Daan S, Roenneberg T. Comparison of the Munich Chronotype Questionnaire with the Horne-Ostberg's Morningness-Eveningness Score. Chronobiol Int. 2005;22(2):267-78. doi: 10.1081/cbi-200053536.
Kantermann T, Sung H, Burgess HJ. Comparing the Morningness-Eveningness Questionnaire and Munich ChronoType Questionnaire to the Dim Light Melatonin Onset. J Biol Rhythms. 2015 Oct;30(5):449-53. doi: 10.1177/0748730415597520. Epub 2015 Aug 4.
Kim N, Ka S, Park J. Effects of exercise timing and intensity on physiological circadian rhythm and sleep quality: a systematic review. Phys Act Nutr. 2023 Sep;27(3):52-63. doi: 10.20463/pan.2023.0029. Epub 2023 Sep 30.
Ferris LT, Williams JS, Shen CL, O'Keefe KA, Hale KB. Resistance training improves sleep quality in older adults a pilot study. J Sports Sci Med. 2005 Sep 1;4(3):354-60. eCollection 2005 Sep 1.
Flausino NH, Da Silva Prado JM, de Queiroz SS, Tufik S, de Mello MT. Physical exercise performed before bedtime improves the sleep pattern of healthy young good sleepers. Psychophysiology. 2012 Feb;49(2):186-92. doi: 10.1111/j.1469-8986.2011.01300.x. Epub 2011 Oct 6.
Institute of Medicine (US) Committee on Sleep Medicine and Research; Colten HR, Altevogt BM, editors. Sleep Disorders and Sleep Deprivation: An Unmet Public Health Problem. Washington (DC): National Academies Press (US); 2006. Available from http://www.ncbi.nlm.nih.gov/books/NBK19960/
Related Links
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National Sleep Foundation's sleep time duration recommendations: methodology and results summary
Effects of resistance exercise training and stretching on chronic insomnia
Resistance training improves sleep quality, redox balance and inflammatory profile in maintenance hemodialysis patients: a randomized controlled trial.
Other Identifiers
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E-10840098-202.3.02-1592
Identifier Type: -
Identifier Source: org_study_id
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