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CC BY-NC-ND 4.0 · Sleep Sci 2018; 11(03): 141-145
DOI: 10.5935/1984-0063.20180027
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Comparison of sleep quality assessed by actigraphy and questionnaires to healthy subjects

Arturo Forner-Cordero
1   University of São Paulo, Biomechatronics Lab. (EPUSP) - São Paulo - SP - Brazil.
,
Guilherme Silva Umemura
1   University of São Paulo, Biomechatronics Lab. (EPUSP) - São Paulo - SP - Brazil.
,
Fabianne Furtado
1   University of São Paulo, Biomechatronics Lab. (EPUSP) - São Paulo - SP - Brazil.
2   Federal Institute of Education, Science and Technology of Southeast of Minas Gerais, Physical Therapy - Barbacena - MG - Brazil.
,
Bruno da Silva Brandão Gonçalves
3   Federal University of São Paulo, Psychiatry - São Paulo - SP - Brazil.
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Sleep quality analysis is crucial for human health and it is related to duration, rhythm and quality. The goal of this study is to analyze objective assessment of the sleep-wake cycles with actigraphy, subjective questionnaires and their relationship with sleep quality indices. A wearable actigraph registered the sleep habits of 41 healthy subjects for 9 days. Afterwards, the subjects filled two questionnaires about sleep quality (Pittsburgh Sleep Quality Index) and sleepiness (Epworth Sleepiness Scale). The subjects were divided into two groups based on cut-off scores and the actigraphy parameters were compared between groups. Group 1 in ESS and PSQI categorization had less diurnal sleepiness and better sleep quality, respectively, than Group 2. Measurements of regularity (IS), fragmentation (IV), active phase amplitude (M10), rest amplitude (L5), and relative amplitude (RA) were compared between groups. Group 2 had higher L5 values. Parameter L5 (lowest of 5 consecutive hours of activity) was concluded to be relevant to identify the sleep conditions of the subjects.

Actigraphy - Surveys and Questionnaires - Sleep Deprivation


Publication History

Received: 26 April 2018

Accepted: 31 July 2018

Article published online:
13 October 2023

© 2023. Brazilian Sleep Association. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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