Actiwatches (ActiGraph wGT3X-BT from ActiGraph FL, USA) were worn on the non-dominant wrist during all 26 data collection days. Data were collected with a sampling rate of 30 Hz and 1-minute epochs were used to score sleep. Data were analyzed with ActiGraph Sleep Analysis (ActiGraph, FL, USA). In and out of bed times were taken from the sleep dairies. The following variables were extracted: primary sleep duration (PSD), total sleep time per day including naps (TST), and sleep efficiency.
Sleep analysis
Manufactured by ActiGraph
Sourced in United States
The ActiGraph Sleep Analysis is a laboratory equipment used for the assessment and monitoring of sleep patterns. It is designed to objectively measure and record various sleep-related parameters without interpretation or extrapolation.
Automatically generated - may contain errors
Lab products found in correlation
3 protocols using sleep analysis
1
Objective Measurement of Sleep Patterns
2
Multimodal Sleep Measurement Protocol
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Sleep was measured using a combination of sleep diaries and actigraphy. Sleep quality and timing (including naps) was recorded upon awakening on all days in the three work schedules. Actiwatches (ActiGraph wGT3X-BT from ActiGraph, Pensacola, FL, USA) were worn on the non-dominant wrist during all days. To score sleep we used a sampling rate of 30 Hz and 1 min epochs. Data were analysed with ActiGraph Sleep Analysis (ActiGraph, Pensacola, FL, USA). In and out of bed times were taken from the sleep diaries. Detailed information on sleep measurements has been published previously [27 (link)].
3
Actigraph-Based Sleep Assessment Protocol
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Actigraphs (ActiGraph wGT3X-BT from ActiGraph Florida, USA) were worn on the wrist of the nondominant hand. Participants were asked to wear the actigraph during the whole 24 h day, but most importantly during sleep episodes. Data were collected with a sampling rate of 30 Hz, and 1 min epochs were used to score sleep. Data were analyzed with ActiGraph Sleep Analysis (ActiGraph Florida, USA). We extracted total sleep time per day including naps (TST), primary sleep duration (PSD), and sleep efficiency (i.e. percentage of time asleep relative to time in bed for primary sleep). Information about when participants got into and out of bed for all sleep episodes was obtained from sleep diaries, and this information was used as input when extracting data from the actigraphs.
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