The role of actigraphy in sleep medicine

Poor Parental Sleep and the Reported Sleep Quality of Their Children

“…For 98% of the children, the actigraphy lasted 5 days or longer, which, according to previous research, is a reliable duration of analysis. 5 Despite the recruitment in day care centers and the low recruitment rate, the parental employment rate corresponded with the unemployment rate in Finland at the time of the study 26 ; 7 mothers and 7 fathers reported being currently unemployed or retired. In addition, the families who participated in the study well represented the average population compared with a written communication from the Official Statistics of Finland: In 2014, the mean age of a mother of a 4-year-old child in Finland was 34 years and that of a father was 37 years, which corresponds to the ages in the study population.…”

“…4,5 The device is a small wristwatch-like band attached to the examinee's wrist, hip, or ankle. The method examines the amount of movement acceleration in time.…”

Insomnia: Prevalence, Impact, Pathogenesis, Differential Diagnosis, and Evaluation

“…For insomniacs actigraphy can provide information about circadian rhythms and sleep patterns (Morgenthaler et al, 2007). Compared with polysomnography, however, actigraphy in insomniacs has had variable results: it has been found to both over and underestimate total sleep time (Vallieres & Morin, 2003;Sivertsen et al, 2006;Sadeh & Acebo, 2002). Another study found that actigraphy was well validated by polysomnography with respect to number of awakenings, wake time after sleep onset, total sleep time, and sleep efficiency (Lichstein et al, 2006).…”

Do sleep difficulties exacerbate deficits in sustained attention following traumatic brain injury?

“…The Cambridge Neurotechnology "Actiwatch" system 2000, wrist Actiwatches (Model AW-2) and sleep analysis software (Actiwatch Sleep Analysis v 1.06) were used. Actigraphy has been shown to be a satisfactory objective estimate of sleep particularly in terms of global sleep parameters such as total sleep time (TST), sleep onset latency (SOL) and sleep effi ciency (SE; Sadeh & Acebo, 2002 ).…”