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EFFECTS OF PRE SLEEP CASEIN INTAKE ON ATHLETES RECOVERY ACCORDING TO WHOOP BAND DATA

Abstract

BACKGROUND: Casein, a slowly digested protein, and whey, a quickly digested protein promote muscle protein synthesis and have been shown to enhance recovery. Muscle protein synthesis increases throughout the night when taking a casein protein supplement before sleep compared to nothing or a placebo. The hypothesis is that pre-sleep protein ingestion will show a higher recovery rate than baseline recovery recorded before taking the supplement. A secondary hypothesis is that a higher recovery rate will be seen during the 2 weeks of pre-sleep casein consumption than during the pre-sleep whey consumption. METHODS: The participants are NCAA Division 2 collegiate athletes from the volleyball swimming and golf teams who wear Whoop bands. They will be randomly selected forming two groups for the experimental phase. One group will consume a pre-sleep casein drink for a duration of 14 days, while the other group will consume a pre-sleep whey protein drink. The subjects will have a 7-day washout period, ingesting neither whey nor casein before sleep. After this period, they will consume the other drink for an additional 14 days. The participants will be blinded with respect to the type of protein they are ingesting. Additionally, anthropometrics, food records, sleep questionnaires, training schedules, and stress questionnaires will be completed by participants and analyzed by research personnel to ensure habitual routines are maintained within the parameters of normal collegiate athletic performance cycling. Recovery data from the Whoop bands will be collected and dependent t-tests will be analyzed to determine differences in recovery between no protein, casein, and whey protein ingestion. ANTICIPATED RESULTS: Based on preliminary results that are still being analyzed, the participants ingesting the pre-sleep casein showed a higher recovery compared to the participants ingesting the pre-sleep whey protein. The data is still being analyzed for the first hypothesis.

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