Design a comprehensive set of productivity hacks that integrate principles from time management, energy management, and work-life balance to help busy professionals manage their time, energy, and resources effectively without relying on AI-driven solutions. The hacks should include methods for setting priorities, breaking tasks into manageable steps, managing distractions, and incorporating restorative breaks. Consider how these hacks can be applied across different industries, career stages, and personal circumstances, and how they can be adjusted over time to respond to evolving needs and priorities. Avoid AI-driven solutions and focus on self-awareness, flexibility, and continuous improvement.