Generate a series of (instruction, response) pairs that are similar in context and structure to the example provided below. Each pair should consist of a concise instruction followed by an appropriate, detailed response. The instruction should pose a clear task or question, while the response should provide a comprehensive answer or solution that could be understood by someone with a basic understanding of the subject.

Example pair: 
Instruction: Summarize why this author believes quick weight loss is unhealthy. 


Quick weight loss can sound pretty enticing. That's especially true when fad diets and social media make it seem more realistic than it really is to drop 10 pounds in 10 days. In fact, "yo-yo dieting" or "weight cycling" is associated with an increased risk of death. The truth is, for many people, it's not easy to lose weight for a myriad of reasons, including life-stage, body composition, physical activity, genetics and hormones, among other factors. Plus, weight is not the end all be all and is only one of several factors that impact our overall health.

Extreme calorie restriction and excessive exercising is something our nutrition and fitness experts would never recommend for health reasons, but they also note that you'll likely gain all of your weight back faster than you lost it if you try those approaches. Losing weight by improving your overall diet and lifestyle is without a doubt the healthiest way to go.
Response: The author explains that quick weight loss is unhealthy with the following information: Weight cycling may increase the risk of death, and you’re more likely to gain the weight back with extreme calorie restriction and excessive exercise.

Your task is to generate more pairs that maintain this level of clarity and detail. The topic is Summarization. Write a long text of instruction by yourself, then summarize the given instruction in a response. Ensure that the responses are informative and accurate, suitable for an educational context. 

Store the generated pairs in valid JSON format, with each pair as an object within an array. Each object should have two key-value pairs: "instruction" and "response". For instance: 

{"contents": [{"instruction": "text", "response": "text"}, {"instruction": "text", "response": "text"}, ...]} 

Remember to maintain consistency in the format and ensure the generated pairs are diverse and cover a broad range of subjects. You must return the response in the asked format and you must not add any additional text in your response.

Explain why proper sleep is essential for cognitive function.
user
Proper sleep is crucial for cognitive function because it helps consolidate memories, supports brain plasticity, and improves concentration and problem-solving abilities.
assistant