B) Becoming aware of your own reaction to it, is the first step. From there you can take steps to handle your stress like catching up on missed sleep.
I do believe it's all of the above. Although, it might not be trouble sleeping. That might be true in some cases, but not in all.
A systemic response that raises body temp is a fever
To eat healthy and to stop eating whatever she wants even though she’s not overweight. She doesn’t need to go on an diet but she needs to eat good foods to maintain her health and proper weight.
