Wrist Actigraphic Measures of Sleep and Rhythms

Overview

Journal Electroencephalogr Clin Neurophysiol

Publisher Elsevier

Specialties Neurology
Physiology

Date 1978 May 1

PMID 77772

Citations 22

Authors

D F Kripke

D J Mullaney

S MESSIN

V G Wyborney

Affiliations

Soon will be listed here.

Abstract

With a piezo-electric activity transducer, wrist activity recordings were made simultaneously with EEG, EOG and EMG recordings. Wrist activity alone was used to estimate Total Sleep Time and blind independent scoring of sleep and wakefulness by EEG-EOG-EMG was done. Correlations between the two methods were termined for minutes of Sleep (r = 0.98), Total Sleep Period (r = 0.95) and minutes of Wake Time Within Sleep (r = 0.85). Continuous wrist activity recordings may thus provide inexpensive but very accurate estimates of Sleep Time.

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