aktigrafiaa
Aktigrafiaa is a term that appears in some linguistic contexts as a variant spelling of actigraphy, a non-invasive technique for monitoring rest and activity cycles in humans. Actigraphy, and by extension aktigrafiaa, involves using a wearable device, commonly worn on the wrist, that contains an accelerometer to record movement over extended periods in real-world conditions.
Data are summarized into activity counts per epoch and analyzed with algorithms that classify periods as sleep
Applications include evaluation of insomnia and other sleep disorders, circadian rhythm disorders, neurodegenerative diseases, pediatrics, psychiatry,
Limitations include potential misclassification of quiet wakefulness as sleep, reliance on movement as a proxy for
Historically, actigraphy emerged in the late 20th century as a practical alternative to lab-based sleep recording.