Read the following passage and answer the question below. Sleep is a fundamental biological process essential to physical health, cognitive function, and emotional well-being, yet many people fail to get an adequate amount of it. During sleep, the body repairs tissues, consolidates memories, and clears out toxins that accumulate in the brain during waking hours. Research has shown that chronic sleep deprivation is linked to a range of health problems, including obesity, weakened immune function, and an increased risk of cardiovascular disease. Sleep also plays a crucial role in learning, as the brain processes and stores information gathered throughout the day during certain sleep stages. Experts generally recommend that adults get between seven and nine hours of sleep per night for optimal health. Despite this recommendation, modern lifestyles involving excessive screen time, irregular schedules, and high stress levels have contributed to a widespread reduction in sleep quality and duration across many populations. Question: What can be inferred about modern lifestyles based on the passage?
- A. They have eliminated the need for sleep
- B. They have no effect on sleep patterns
- C. They have contributed to reduced sleep quality for many people ✓
- D. They have significantly improved average sleep duration
Correct answer
C. They have contributed to reduced sleep quality for many people
Explanation
The passage states that modern lifestyle factors like screen time and stress have contributed to reduced sleep quality and duration.