According to some studies, 50 to 70 percent of people over 65 years old have symptoms of insomnia. Periodic limb movement disorder, or involuntary movement of the limbs during sleep, does not have ...
6, 2024 — Older people who are sleepy during the day or lack enthusiasm for activities due to sleep issues may be more likely to develop a syndrome that can lead to dementia, according to a new ...
In people with short sleep, however, orexin production appears ... some researchers think it may be time to update the old two-process model of sleep, which is how Ptáček developed the idea ...