I'm sorry to hear that you've been experiencing these symptoms for almost a month. Persistent headache, trouble sleeping, morning fatigue, leg pain, and difficulty concentrating can be signs of various underlying conditions that need careful evaluation.

Here are some important steps you should consider:

• See a neurologist or a general physician promptly for a thorough clinical assessment. They can evaluate your symptoms, medical history, and possibly order tests to identify the cause.
• Keep a symptom diary noting when symptoms occur, their severity, and any possible triggers or relieving factors.
• Avoid self-medicating without professional guidance, especially since prolonged headaches and other symptoms require proper diagnosis.
• Ensure good sleep hygiene and maintain a balanced diet and hydration, but do not delay medical consultation.
• If symptoms worsen or you develop new signs such as vision changes, weakness, confusion, or severe pain, seek emergency care immediately.

Given the complexity and duration of your symptoms, consulting a specialist doctor is essential to determine the appropriate diagnosis and treatment plan. If you need urgent help, you can contact emergency services at the provided number.To narrow down potential causes, we will need some more information.Please tell me your age and gender. I understand you've been experiencing symptoms such as headache, trouble sleeping, fatigue, leg pain, and difficulty concentrating. I'm here to assist you.