Supporters of this habit often link it to the idea of reducing environmental disturbances in the bedroom. They believe aluminum foil may help limit certain signals or subtle interferences from electronic devices nearby, creating a sense of calm and comfort. While these explanations vary, many people who try the method say they feel more relaxed knowing they’ve taken a step—however small—toward improving their sleep space. Others view it as a symbolic action, a gentle reminder to unplug from daily stress and give the mind permission to unwind. Even simple acts can have a surprising impact when they become part of a consistent bedtime routine.
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