3   +   1   =  

Sleep

This shows a brain with tau deposits marked

Disrupted sleep in one’s 50s, 60s raises risk of Alzheimer’s disease

Sleep disruptions during middle age may be a potential biomarker for developing Alzheimer's disease later in life. Researchers found those who experienced sleep problems in their 40s and 50s had more amyloid beta accumulation in their brains later in life. Those whose sleep problems started in their 50s and 60s had increased levels of tau. Additionally, higher levels of tau were discovered in the brains of those who lacked synchronized brain waves associated with a good night's sleep.... Read More...
This shows a woman sleeping

Sleeping for too little or too long linked to poorer memory

Sleep duration can have a negative impact on memory skills and reaction time. While the effects of sleep deprivation are well documented, researchers report sleeping for longer than the recommended 7 to 8 hours per night is associated with more errors in memory recall and slower reaction times, with each additional hour of sleep impacting performance more.... Read More...