Ainsley has a drink in the morning on rising and a cocktail with breakfast. she usually sneaks a snort during the morning ("just to get through the day") and then drinks during lunch. later, at home, she generally has a small dinner and sits in front of the tv drinking wine, often an entire bottle. somehow she manages to get up and go to work the next morning. ainsley is displaying:

substance use disorder    

Explanation:

Substance use disorder: The substance use disorder is also referred to as SUD, and also known as drug use disorder, is considered to be a medical condition or illness that consists of using more than one or more drugs or substances which leads to distress or impairment.

In abnormal psychology, the substance use disorder is defined in DSM-5 as an individual's compulsive pattern to use drugs instead of knowing all the negative consequences related to the drugs.

The important part of the substance use disorder is both psychological as well as physical dependence.

In the question above, Ainsley is displaying substance use disorder.