![](https://assets.weforum.org/article/image/4YqCoVj3Es4r3zXDISrBm1q1VnSp-yyl_As0n2gvI-A.jpg)
Wellbeing and Mental Health
Dementia: here's how the quality of your night’s sleep can affect symptoms the next day
Poor sleep has long been connected with cognitive decline. Now new research shows how night-to-night variations in sleep can affect dementia symptoms.