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Actigraphy is a method of study of circadian rhythm and wake-sleep patterns. It usually involves subjects to wear an actigraph to measure gross motor activity. Motor activity usually under test is that of the wrist, measured by an actigraph in a wrist-watch-like package. Actigraphs measure day-to-day activity of an individual, recording movement being made during waking and sleeping hours.

Actigraphy is useful for assessing daytime sleepiness in situations where a laboratory sleep latency test is not appropriate. Actigraphy is used to clinically evaluate insomnia, circadian rhythm disorders, excessive sleepiness and restless leg syndrome. It is also used in the assessing the effectiveness of pharmacologic, behavioural, phototherapeutic or chronotherapeutic treatments for these disorders.

Actigraphy is not normally used in routine diagnosis of sleep disorders.

External links

ActiGraph, LLC - The ActiGraph, the Gold Standard in Activity Monitoring

American Academy of Sleep Medicine - Practice parameters for the role of actigraphy in the study of sleep and circadian rhythms: An update for 2002
Mini Mitter - Actiwatch

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	'''Actigraphy''' is a method of study of [[circadian rhythm]] and wake-sleep patterns. It usually involves subjects to wear an [~~http://www.theactigraph.com~~ actigraph]to measure gross motor activity. Motor activity usually under test is that of the wrist, measured by an actigraph in a wrist-watch-like package. Actigraphs measure day-to-day activity of an individual, recording movement being made during waking and sleeping hours.		'''Actigraphy''' is a method of study of [[circadian rhythm]] and wake-sleep patterns. It usually involves subjects to wear an [[actigraph]] to measure gross motor activity. Motor activity usually under test is that of the wrist, measured by an actigraph in a wrist-watch-like package. Actigraphs measure day-to-day activity of an individual, recording movement being made during waking and sleeping hours.

	Actigraphy is useful for assessing daytime sleepiness in situations where a laboratory [[MSLT\|sleep latency test]] is not appropriate. Actigraphy is used to clinically evaluate [[insomnia]], [[circadian rhythm disorders]], excessive [[sleepiness]] and [[restless leg syndrome]]. It is also used in the assessing the effectiveness of [[pharmacological\|pharmacologic]], [[behavioural]], [[phototherapy\|phototherapeutic]] or [[chronotherapy\|chronotherapeutic]] treatments for these disorders.		Actigraphy is useful for assessing daytime sleepiness in situations where a laboratory [[MSLT\|sleep latency test]] is not appropriate. Actigraphy is used to clinically evaluate [[insomnia]], [[circadian rhythm disorders]], excessive [[sleepiness]] and [[restless leg syndrome]]. It is also used in the assessing the effectiveness of [[pharmacological\|pharmacologic]], [[behavioural]], [[phototherapy\|phototherapeutic]] or [[chronotherapy\|chronotherapeutic]] treatments for these disorders.