John Peever News Today

Study found decrease in deep sleep associated with higher risk of dementia in people aged 60 and up

A growing body of research points to clear links between deep sleep and memory formation, and on the flip side, the possibility of dire consequences when someone’s sleep quality erodes over time. One new study found a decrease in deep sleep was associated with a higher risk of dementia. 

For a long time it's been assumed that humans need eight hours of sleep but recent research calls that into question.

There's a clear winner, but science suggests both may be disturbing your sleep