I'm sorry to hear that you're experiencing acute back pain that's affecting your sleep. Acute back pain can be quite distressing, especially when it disrupts rest.

For managing moderate to severe pain like this, a medication called Tydol 100 Tablet, which contains Tapentadol, is sometimes prescribed. It works by acting on opioid receptors in the central nervous system to reduce pain sensations. However, this medication should only be taken if prescribed by a doctor, as it has potential side effects such as constipation, nausea, dizziness, and others. It's important not to stop it abruptly without medical guidance.

In the meantime, here are some general tips that might help relieve your back pain and improve sleep:

• Apply heat or cold packs to the painful area.
• Maintain a comfortable sleeping position with proper support.
• Avoid heavy lifting or strenuous activities.
• Gentle stretching or walking, if tolerable, can sometimes help.

Since acute back pain can have various causes and may require specific treatment, I strongly recommend consulting an orthopedic specialist or a pain management doctor. They can evaluate your condition thoroughly and suggest appropriate treatment tailored to your needs.

If your pain worsens, is accompanied by numbness, weakness, or bladder/bowel issues, seek emergency medical care immediately.To narrow down potential causes, we will need some more information.Please tell me your age and gender.