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Learn the key ideas of the book by Matthew Walker

Why We Sleep

Understand the importance of sleep and dreams in the human being

Why We Sleep leads us to reflect on our bad habits, the importance of sleep and how this can improve the quality of our lives. A journey based on scientific analysis into the mysterious world of sleep and the enormous benefits that it offers us; how to increase our memory or help us prevent common diseases like colds, or more serious issues such as cardiovascular diseases. The ideas in this book will serve as an authentic guide to healthier lifestyle and habits.

Why We Sleep
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Sleep: the possible consequences of not sleeping 8 hours and the benefits of doing so

Two thirds of adults in all developed countries do not enjoy the highly recommended 8 hours of sleep per night. If this fact does not surprise you, its consequences will. In fact, there is a very close correlation between lack of sleep and the appearance of diseases such as cancer, Alzheimer's, diabetes, obesity, cardiovascular diseases, mental illnesses such as depression, anxiety and suicidal thoughts. Lack of sleep is also the cause of numerous traffic accidents every year.

In spite of being one of the most important aspects of our lives, sleep is still one of the greatest biological mysteries. In recent years, research has begun to understand the tremendous benefits that sleep brings to both the brain and body. Sleep enhances our ability to learn, memorize, make logical decisions and it is beneficial for our psychological health, as it recalibrates our emotional circuits. Dreams create a virtual reality that combines knowledge of the past with knowledge of the present, fostering creativity. Sleep restores the harmony of our immune system, it recalibrates the balance of glucose in the blood and regulates our appetite. There is no other state that is equally capable of balancing our physical and mental health. There is no biological function that does not benefit from a good night's sleep.


The key ideas of "Why We Sleep"

Sleep: the possible consequences of not sleeping 8 hours and the benefits of doing so
How caffeine affects melatonin and adenosine, the hormone and nucleoside that regulate our sleep-wake cycle
What happens in our brain when we sleep? The REM and NREM phase
The beneficial effects of sleep on memory
The implications of lack of sleep on concentration, emotional stability, and neurological diseases
How much does sleep affect the cardiovascular system, metabolism, diabetes and our immune system?
Sleep helps us eliminate stress and find solutions by stimulating our creativity
12 useful tips for a healthy sleep
Take-home message

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