Siobhan usually has two or three cocktails in the late afternoon to "take the edge off" the stress created by her demanding job. siobhan's behavior illustrates the hypothesis.

Siobhan's behavior illustrates the "self medication" hypothesis.

Self-medication is a human conduct in which an individual uses a substance or any exogenous impact to self-control treatment for physical or mental afflictions. The most broadly self-sedated substances are over-the-counter medications used to treat regular medical problems at home, and in addition dietary supplements.