What causes全身 aches and weakness upon waking in the morning?

Whole-body aches and weakness upon waking in the morning are often caused by frequent late nights, excessive life stress, or inadequate rest. It may result from overexertion before bedtime, leading to muscle soreness and limb weakness. If the patient also experiences numbness in the limbs, it could indicate a stroke. Additionally, myasthenia gravis may also cause the above symptoms.