There has been a recent proliferation of phone-based apps and wearable devices that help us track our sleep, but these are almost invariably based on the amount of movement a person makes while asleep.
It's not just about quantity.
But it takes more than a solid bedtime ritual to promote good sleep. The foundation of regenerative sleep, an absolute necessity for a healthy life, is built during the day.
And we're finally doing them the courtesy of studying it.
"That's why when someone comes up to me and says, 'Oh, I only need four hours of sleep,' I really don't believe them," said
Rakesh Bhattacharjee is an assistant professor of pediatrics at The University of Chicago's Divisions of Pulmonary and Sleep Medicine. In answer to my questions, he shared his insights on the link between breathing and sleep health, social factors that can affect children's sleep, and the importance of teaching your children healthy sleep habits.
How does the brain change as we age, and what steps can we take to help our brains stay healthy as time goes by? In answer to my questions, Claire Sexton, a post-doctoral research assistant at the Oxford Centre for Functional Magnetic Resonance Imaging of the Brain, elaborated on some of her latest scientific findings and offered some tips on how to improve the quality of our sleep.
The question: On several occasions, I've woken up from a "good" night's sleep and still felt surprisingly tired and lethargic
"Sleep is important for good health and mental wellbeing. Optimizing sleep at an older age may help to delay the decline
This study is the latest in a growing body of research that points to the sleep-related health risks that women may face. We've seen other evidence that suggests women are at higher risk than men for cardiovascular problems associated with poor sleep.