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Articles on Sleep

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Lifestyle changes may be our best hope of delaying dementia or not developing dementia at all. (Shutterstock)

Lifestyle changes can reduce dementia risk by maintaining brain plasticity — but the time to act is now

Lifestyle-related dementia risks are complex, with factors like sleep, exercise, diet and social contact interacting with things like cognitive reserve, neuroplasticity and inflammation in the body.
Scientific evidence allows parents to choose the sleeping arrangement that’s right for them and their family. (Shutterstock)

Is sleeping with your baby a good idea? Here’s what the science says

Questions about co-sleeping are often drowned out in a whirlwind of information and opinions. But science can provide some answers.
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Sleep apnoea can be scary. But here’s what happened when First Nations people had a say in their own care

Poor sleep deprives First Nations people of the chance to connect with culture. So they co-designed a sleep apnoea program they’d actually use.
Owl chronotypes function better at night, while lark chronotypes are more energized in the morning. The Photo Matrix/Moment, nomis_g/iStock via Getty Images Plus

What’s your chronotype? Knowing whether you’re a night owl or an early bird could help you do better on tests and avoid scams

Synchronizing your daily activities to your circadian rhythm could help you improve your performance on a variety of cognitive tasks − and even influence diagnosis of cognitive disorders.
Your bladder can signal the brain when it’s full, even while you’re asleep. Happyphoton/iStock via Getty Images

What happens if you need to pee while you’re asleep?

A pediatric urologist explains how the bladder and the brain communicate to wake you up when you need to ‘go’ – and how that communication might break down.
As July temperatures soared to triple digits, hundreds of homeless people lived on the street outside Phoenix’s largest shelter. Mario Tama/Getty Images

Shelters can help homeless people by providing quiet and privacy, not just a bunk and a meal

As US cities struggle to reduce homelessness, two scholars explain how planners can reform shelter design to be more humane and to prioritize mental health and well-being.

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