كيف يؤثر النوم على نمو العضلات: لماذا يعتبر وقت النوم مهمًا لتحقيق المكاسب

📝 التحقق من الحقائق: This is a core principle of muscle hypertrophy (growth). 🏋️‍♂️ Exercise creates microscopic tears in muscle fibers, which is the *stimulus* for growth. The actual repair and rebuilding process, known as muscle protein synthesis, predominantly occurs during periods of rest, especially deep sleep. During this time, the body releases Human Growth Hormone (HGH) which is critical for tissue repair.

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