Maslow’s hierarchy of needs is a motivational theory in psychology comprising a five-tier model of human needs, often depicted as hierarchical levels within a pyramid.The five levels of the hierarchy are physiological, safety, love/belonging, esteem, and self-actualization.Lower-level basic needs like food, water, and safety must be met first before higher needs can be fulfilled.Few people are believed to reach the level of self-actualization, but we can all have moments of peak experiences.The