Why is sleep so vital to our health: A team of scientists has made a major advance in answering why we need sleep and has shown for the first time that a dramatic change in the purpose of sleep occurs at the age of about 2-and-a-half

Why is sleep so vital to our health: A team of scientists has made a major advance in answering why we need sleep and has shown for the first time that a dramatic change in the purpose of sleep occurs at the age of about 2-and-a-half: https://ift.tt/2ZSbb3B Read more... https://ift.tt/32HOlNT