pre-workout supplements

Why Your Evening Pre-Workout Is Destroying Your Sleep (And Why Your Tracker Finally Proved It)

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Why Your Evening Pre-Workout Is Destroying Your Sleep (And Why Your Tracker Finally Proved It)

You powered through your evening workout with a caffeinated pre-workout, but your sleep tracker tells a different story: fragmented, shallow sleep with minimal deep recovery. A 5:30pm caffeine dose still circulates in your bloodstream at 2am, directly undermining the very recovery you trained for.

Why Your Heart Rate Spikes During Stretching: The Pre-Workout Timing Problem Nobody Warns You About

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Why Your Heart Rate Spikes During Stretching: The Pre-Workout Timing Problem Nobody Warns You About

Pre-workout supplements flood your bloodstream with stimulants 15-60 minutes after ingestion, often peaking while you’re still stretching. A 200-400mg caffeine dose creates significant cardiovascular load before you’ve lifted a single weight—here’s what the science says and how to train smarter.