Hi thanks for asking question in HCM...
Here your pain is in middle chest....
If it is burning characteristic then gastritis or
acid reflux like condition could be cause ...
For that
omeprazole drug given for reducing acidity....
Excess spicy foods avoided.....
Heavy meal restricted.
Avoid smoking.
Fruits more ....
Head elevation while sleeping...
Second if no such gastric problem then pain could be
musculoskeletal pain ...
For which hot pad can be applied...
Proper sleep posture taken...
Avoid strenous activities....
Avoid stress...As stress can lead
chest pain...
If fever, cough, dyspnea occurs chest x ray needed for rule out respi cause...
You can consult physician with keeping my answer in mind.
Take care