Articles on Sleep

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Why do we usually sleep at night? What happens when we don’t sleep? Expert insights into this essential part of our lives

Sleep is an essential part of life. What happens when we don’t get enough sleep and how do we ensure that we do?
While that ‘extra’ hour of sunlight in the evenings can be exhilarating, it comes with significant health trade-offs. Anna Blazhuk/Moment via Getty Images

Could the days of ‘springing forward’ be numbered? A neurologist and sleep expert explains the downside to that borrowed hour of daylight

Americans have long been divided over adopting permanent standard versus permanent daylight saving time. But support for permanent standard time grew dramatically between 2021 and 2024.
Lack of sleep, or poor quality sleep, is one of the risk factors for developing Alzheimer’s disease. Fortunately, there are ways to improve sleep. (Shutterstock)

Better sleep is a protective factor against dementia

Sleep appears to play an essential role in a number of brain functions, such as memory. So good quality sleep could play a vital role in preventing dementia.

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