Conducting a reliable sleep study requires a careful three-phase approach: establish a baseline with no intervention, implement an experimental treatment like white noise, and finally, enter a washout phase to assess the effects of removing the treatment. This structure mirrors drug trials and is essential for gaining accurate insights into sleep aids. It's critical not to stop after observing improvements during the treatment phase; the washout period is vital to determine whether sleep quality returns to baseline levels without the aid. This comprehensive method strengthens the validity of claims regarding the effectiveness of any sleep supplement or intervention.

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