A chemical need for alcohol is an addiction, or alcoholism.
This is true.
Your bed should be a place of rest and peace and quiet where you relax at the end of the day and you associate with a good nights sleep. If you carry out other activities that are stressful or physical in your bed you become less and less able to associate it with a calm place for sleeping which can be detrimental to getting a good nights sleep and can impact on your physical and mental health in a negative way.
How many years of schooling did you complete? what degree do you have? what is the most stressful part about being a neurosurgeon?
Developing asthma after living in a city that has severe air pollution for decades is an example of experiencing a chronic effect.
