Subjective associations of poor sleep are known to be linked with worse health-related quality of life in Parkinson disease, but correlating objective measures are harder to find. Researchers sought ...

Tsukuba, Japan—Accurate sleep assessment is essential for diagnosing and managing sleep disorders, yet the limited capacity for recall during sleep makes objective measurements, such as ...

Among people who report memory and thinking problems, some show no signs of a problem on standard tests, while others have subtle declines on their tests. A new study shows that people who have subtle ...