Abstract The purpose of this investigation is to determine the effects Pettlep imagery pre-sleep on the motor performance. Thirty boys (16 -18 years) after completing the MIQ-R Questionnaire and Following the pretest, were randomly placed into one in all three groups: (A) Consolidated Pettlep MI group (N=10), (B) Preparatory MI group (N=10), and (C) PP only group (N=10). Posttesting was conducted between 8 a.m. – 11 a.m. for all subjects. The result of this study indicated a significant difference in enhancement between pre-test and post-test of consolidated Pettlep MI group. The Consolidated Pettlep MI group was more found to boost motor performance after sleep, therefore suggesting that sleep-related effects are effective following MI. Such findings highlight the reliability of MI in learning process, that is assumed consolidated when related to sleep.

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