A recent study has found that women over 80 who experience increasing sleepiness are more than twice as likely to develop dementia compared to those with stable sleep patterns. The analysis suggests that women whose sleep remained consistent throughout their 80s had a significantly lower risk of developing the condition, highlighting the importance of maintaining regular sleep habits in older age.
Source: https://www.washingtonpost.com/wellness/2025/03/30/dementia-women-daytime-sleep