Sleep

This shows a light shining through trees and a man looking at it

One in 10 people have ‘near-death’ experiences

Near-death experiences (NDEs) including hallucinations, out-of-body sensations and time distortions, affect around 10% of people, a new study reports. 72% of people overall who experienced NDEs say their experience was unpleasant. Researchers found an association between NDEs and REM sleep intrusion into wakefulness, resulting in sleep paralysis and hallucinations. ... Read More...
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...