How important is sleep? Do you need a long sleep or quality sleep?

What really is the importance of sleep?
Many people claim that they do not need as much sleep as others, but is it true?
We find ourselves feeling more tired and lazy the next day if we have been deprived of enough sleep.
However, why can some people function off of 5 or 6 hours of sleep, where other people need at least 9 or 10 to feel fully rejuvenated?
Are there health benefits to sleeping longer?
Or, is it more important to sleep better?
Here, we unpack some of the questions you may have around sleep and address how you can improve your overall cognitive performance by fixing your sleeping patterns.
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