Beside exercises, stretches and all that which obviously help, changing bad postural habits is absolutely needed, at rest and not at rest. Learn to feel what is

Beside exercises, stretches and all that which obviously help, changing bad postural habits is absolutely needed, at rest and not at rest. Learn to feel what is right and what is wrong when it comes to posture, we can get so used to a bad posture that it feels right so that has to be un-learned and the correct way should be learned. And small things like tongue resting on the roof of mouth are that should not be ignored, so look into oral exercises as well.