What are the manifestations of physical fatigue and weakness?

Physical fatigue and weakness typically manifest as persistent lack of energy, feeling sluggish, or experiencing reduced physical stamina. Specific symptoms may include: 1. Lethargy: Difficulty waking up in the morning, feeling tired easily during the day, and difficulty concentrating. 2. Muscle weakness: Feeling weak in the limbs during daily activities, finding tasks such as climbing stairs or doing simple housework strenuous. 3. Decreased exercise tolerance: Physical activities that were previously easy to perform may now cause fatigue to set in earlier than usual. 4. Poor sleep quality: Despite sufficient sleep duration, one still feels tired upon waking up, without a sense of being refreshed. 5. Mood changes: Symptoms such as irritability, depression, or loss of interest may occur. 6. Impaired daily functioning: Routine tasks such as housework or work-related activities require more effort than before. 7. Memory decline: Short-term memory problems or difficulty focusing may appear. Note that if these symptoms persist and affect daily life, it is advisable to consult a doctor.