The phrase "different sleep patterns" refers to variations in the amount, timing and quality of sleep that individuals experience. Sleep is a complex physiological process that varies from person to person based on factors such as age, genetics, lifestyle habits, health conditions, stress levels, and environmental influences. As a result, people may have different requirements for the amount of time they need to spend sleeping or may experience disruptions in their sleep cycles that cause them to feel tired during certain times of day. Understanding one's own unique sleep patterns can help individuals make informed decisions about how much and what type of rest is necessary for optimal health, productivity, and well-being.