Sleep Clinical Trial
Official title:
Effects of One Night's Acute Sleep Restrictions on Maximal Strength, Muscle Power, and Strength Endurance in Resistance-trained Women.
Verified date | April 2024 |
Source | University School of Physical Education, Krakow, Poland |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The study aims to see how acute sleep restriction will affect women resistance trainers. Above all, the investigators will be interested in observing the relationship between shorter sleep and athletic performance, as well as other important aspects, such as their level of motivation to exercise, how much pain participants felt during exercise and how demanding they found exercise. The investigators assume that differences in subjective measures (such as pain levels, motivation and mood) will be most apparent.
Status | Enrolling by invitation |
Enrollment | 20 |
Est. completion date | August 1, 2024 |
Est. primary completion date | August 1, 2024 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Female |
Age group | 18 Years to 30 Years |
Eligibility | Inclusion Criteria: - a minimum of 3 years of training experience; - practicing physical activity for the last 6 months at least 3 times per week for 2h - current medical qualification for competitive sport Exclusion Criteria: - diseases that can have a bad influence on the menstrual cycle (e.g. polycystic ovarian syndrome, endometriosis); - using hormonal contraception; - regularity of the menstrual cycle. - diagnosed cardiovascular, metabolic, gastrointestinal, or neurological diseases; - movement, neuromuscular or musculoskeletal disorders; - taking medications and supplements that may affect fitness test results; - taking supplements that may affect biochemical test results - sleep disorders - PSQI >5 |
Country | Name | City | State |
---|---|---|---|
Poland | University School of Physical Education in Cracow | Kraków |
Lead Sponsor | Collaborator |
---|---|
University School of Physical Education, Krakow, Poland |
Poland,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Objective Sleep - Total sleep time | Total sleep time obtained from sleep onset to time at wake-up assessed by actigraphy. The night before and after the experimental sessions. | 1 day after night with or without intervention | |
Other | Objective Sleep - Sleep efficiency | The percentage of total sleep time to lights off and leaving bed assessed by actigraphy. The night before and after the experimental sessions. | 1 day after night with or without intervention. | |
Other | Objective Sleep - WASO (Wake After Sleep Onset) | The total number of minutes that a person is awake after having initially fallen asleep assessed by actigraphy. The night before and after the experimental sessions. | 1 day after night with or without intervention. | |
Other | Objective Sleep - Sleep duration | The quantity of time that a person sleeps assessed by actigraphy. The night before and after the experimental sessions. | 1 day after night with or without intervention. | |
Other | Objective Sleep - Sleep onset time | The time it takes a person to fall asleep after turning the lights out assessed by actigraphy. The night before and after the experimental sessions. | 1 day after night with or without intervention. | |
Other | Objective Sleep - Wake time | The hours in the day that a person is awake assessed by actigraphy. The night before and after the experimental sessions. | 1 day after night with or without intervention. | |
Other | Blood collection - progesterone | Blood will be drawn to measure progesterone. Before each experimental sesion | 1 day after night with or without intervention. | |
Other | Blood collection - estradiol | Blood will be drawn to measure estradiol. Before each experimental sesion | 1 day after night with or without intervention. | |
Primary | Maximal strength bench press test | The next day after a) sleep restriction b) normal sleep | 1 day after night with or without intervention | |
Primary | Muscle endurance test in bench press | muscle endurance test in the bench press exercise at 50% 1RM | 1 day after night with or without intervention | |
Primary | Explosive bench press exercise | three sets of three repetitions of explosive bench press exercise at 50% of the load representing one-repetition maximum (1RM) | 1 day after night with or without intervention | |
Primary | Countermovement jump | Vertical jump test performed by having an athlete quickly squat to a self-selected depth and then jump as high as possible. | 1 day after night with or without intervention | |
Secondary | Mood (POMS) | The POMS is a widely-applied measure for the assessment of an individual's mood. During each experimental session. Before sports performance protocol. | 1 day after night with or without intervention | |
Secondary | Pain (Pain scale) | A pain scale is a tool use to help assess a person's pain. Scale 0-10 (0- lack of pain; 10 - maximal pain). Immediately after the last performance exercise in experimental sessions. | 1 day after night with or without intervention | |
Secondary | Motivation | During each experimental session. Before sports performance protocol. | 1 day after night with or without intervention | |
Secondary | Rating perceived exertion (RPE) | A subjective scale that assesses the severity of effort exerted. Includes a rating from 6 perceiving "no effort" to 20 perceiving "maximum effort." Immediately after the last performance exercise in experimental sessions. | 1 day after night with or without intervention | |
Secondary | Stress and recovery (SRSS) | The Short Recovery and Stress Scale (SRSS) measure the recovery-stress state of an athlete multidimensionally with eight items on emotional, mental, physical, and overall levels. In the morning, each experimental day and the day after. | 1 day after night with or without intervention | |
Secondary | Readiness-to-train questionnaire (RTT-Q) | Subjective reactions related to the level of motivation for effort. In the morning, each experimental day and the day after. | 1 day after night with or without intervention |
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