Brief Answer:
Possible muscle/ligament issue, needs to differentiate from other causes.

Detailed Answer:

Hello,

I have read your query thoroughly.

* The pain while sleeping below waist line can be of muscle/ligament stretch
related issue or others.

Kindly provide further details for understanding it in depth and guide further.

1. Pain - type, intensity, severity, radiation if anywhere.
2. The day time is absolutely pain free.
3. Any of the aggravating or relieving factors.
4. Sleep is disturbed due to this or not.
5. Any alterations in urination, bowel movements.
6. History of any trauma or fall.

Awaiting for your response.
Regards.

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Brief Answer:
follow up .

Detailed Answer:
Welcome for follow up.
Thanks for the details.

* As there are no other associated symptoms, I recommend following at present

- Avoid direct pressure bearing over the area.
- Apply heating pad and ice alternatively over the area 3-4 times a day.
- Take tablet ibuprofen ( 400 mg ) after meals 3 times a day with antacid tablets.
- Consume more liquids to maintain hydration.
- Check to have regular, smooth bowel evacuations.

* Follow up after 24 hours or early as per the progress of the condition for
deciding further course of action and discussing need of x-ray or ultrasound.

Wish you fine recovery.

Take care.

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