Daytime sleepiness may be linked with pre-dementia syndrome, study finds

Feeling sleepy and less enthusiastic during the day may indicate a higher risk of developing a syndrome that often leads to dementia, a new study has found.

​ Feeling sleepy and less enthusiastic during the day may indicate a higher risk of developing a syndrome that often leads to dementia, a new study has found. Read More Breaking News, Latest News and Videos | CNN