I thought pre-workout was the perfect hack for lifting heavier. Then I became sleep-deprived and dependent on it.

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I thought pre-workout was the perfect hack for lifting heavier. Then I became sleep-deprived and dependent on it.

Julia PugachevskyI started using pre-workout supplements every time I strength trained.I felt more focused, more energized, and I was lifting heavier.But I soon felt dependent, and I struggled to fall asleep after taking pre-workout.A few months ago, after strength training for almost a year, my progress stalled. While everyone else in my class was moving up in how much weight they could lift, I hovered in the same range.I wasn't sure why — perh…