ALIMENTAÇÃO - O Essencial Erro que você está cometendo

24 May 2026 · 3 min
2:49

In this video, Rodrigo Barros explains that the most detrimental mistake people make for their physique development is training too close to bedtime. He clarifies the distinction between training (the stimulus that triggers muscle growth and fat loss) and nutrition (the substrate that supplies the raw material for those adaptations). When a workout begins, the body activates the sympathetic nervous system, releasing cortisol, adrenaline, noradrenaline and increasing brain and heart rates to boost alertness and energy availability. While this response is beneficial during exercise, it must be switched off before sleep, requiring activation of the parasympathetic system to lower physiological arousal. Exercising intensely right before trying to sleep keeps the sympathetic system elevated, impairing sleep quality. He also warns that taking pre‑workout supplements close to bedtime compounds the problem. If training in the evening is unavoidable, he advises finishing the strength session and then performing a light aerobic activity (20‑30 minutes of easy cardio) to help calm the nervous system and facilitate the transition to sleep.

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