The purpose of this study is to study circadian rhythms, or daily cycles of sleep, wake, and activity. The investigators hope to learn how disturbed sleep in Alzheimer's Disease relates to changes in activity cycles, and how sleep disturbances may affect your daytime alertness. This project selects patients suffering from memory problems, or voluntary to be in our Control Group. There are three parts to this study: Sleep Diaries, Behavioral Questionnaire, and Activity Recordings
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
assessment of apathy
Timeframe: at day 0, just after inclusion