References
- Altman DG, Bland JM. (1983). Measurement in medicine: the analysis of method comparison studies. Statistician, 32, 307–17
- Ancoli-Israel, S, Cole, R, Alessi, C, et al. (2003). The role of actigraphy in the study of sleep and circadian rhythms. American Academy of Sleep Medicine Review Paper. Sleep, 26, 342–92
- Benson, K, Friedman, L, Noda, A, et al. (2004). The measurement of sleep by actigraphy: direct comparison of 2 commercially available actigraphs in a nonclinical population. Sleep, 27, 986–9
- Blackwell, T, Redline, S, Ancoli-Israel, S, et al. (2008). Comparison of sleep parameters from actigraphy and polysomnography in older women: the SOF study. Sleep, 31, 283–91
- Bland, JM, Altman, DG. (1999). Measuring agreement in method comparison studies. Stat Methods Med Res, 8, 135–60
- Buman, MP, King, AC. (2010). Exercise as a treatment to enhance sleep. Am J Lifestyle Med, 4, 500–14
- Byrt, T, Bishop, J, Carlin, JB. (1993). Bias, prevalence and kappa. J Clin Epidemiol, 46, 423–9
- Chesson M Jr, Coleman, M, Lee-Chiong, M, Pancer, D. (2007). Practice parameters for the use of actigraphy in the assessment of sleep and sleep disorders: an update for 2007. Sleep, 30, 519–29
- Cole, R, Kripke, D, Gruen, W, et al. (1992). Automatic sleep/wake identification from wrist activity. Sleep, 15, 461–9
- de Souza, L, Benedito-Silva, A, Pires, M, et al. (2003). Further validation of actigraphy for sleep studies. Sleep, 26, 81–5
- Feinstein, AR, Cicchetti, DV. (1990). High agreement but low kappa: I. The problems of two paradoxes. J Clin Epidemiol, 43, 543–9
- Freedson, PS, Melanson, E, Sirard, J. (1998). Calibration of the Computer Science and Applications, Inc. accelerometer. Med Sci Sports Exerc, 30, 777–81
- Hendelman, D, Miller, K, Baggett, C, et al. (2000). Validity of accelerometry for the assessment of moderate intensity physical activity in the field. Med Sci Sports Exerc, 32, S442–9
- Hjorth, MF, Chaput, JP, Damsgaard, CT, et al. (2012). Measure of sleep and physical activity by a single accelerometer: can a waist-worn Actigraph adequately measure sleep in children? Sleep Biol. Rhythms, 10, 328–35
- Iber, C, Ancoli-Israel, S, Chesson, A, Quan, SF. (2007). The AASM manual for the scoring of sleep and associated events: rules, terminology, and technical specifications. Westchester, IL: American Academy of Sleep Medicine
- Jasper, H. (1958). The ten-twenty electrode system of the International Federation. Electroencephalogr Clin Neurophysiol, 10, 371–5
- Kanady, J, Drummond, S, Mednick, S. (2011). Actigraphic assessment of a polysomnographic-recorded nap: a validation study. J Sleep Res, 20, 214–222
- Kozey-Keadle, S, Libertine, A, Lyden, K, et al. (2011). Validation of wearable monitors for assessing sedentary behavior. Med Sci Sports Exerc, 43, 1561–7
- Landis, JR, Koch, GG. (1977). The measurement of observer agreement for categorical data. Biometrics, 33, 159–74
- Martin, JL, Hakim, AD. (2011). Wrist actigraphy. CHEST J, 139, 1514–27
- Meltzer, L, Montgomery-Downs, H, Insana, S, Walsh, C. (2012a). Use of actigraphy for assessment in pediatric sleep research. Sleep Med Rev, 16, 463–75
- Meltzer, L, Walsh, C, Traylor, J, Westin, A. (2012b). Direct comparison of two new actigraphs and polysomnography in children and adolescents. Sleep, 35, 159–66
- Milner, CE, Cote, KA. (2009). Benefits of napping in healthy adults: impact of nap length, time of day, age, and experience with napping. J Sleep Res, 18, 272–81
- Moser, D, Anderer, P, Gruber, G, et al. (2009). Sleep classification according to AASM and Rechtschaffen & Kales: effects on sleep scoring parameters. Sleep, 32, 139–49
- Nishida, M, Walker, MP. (2007). Daytime naps, motor memory consolidation and regionally specific sleep spindles. PLoS ONE, 2, e341
- Paquet, J, Kawinska, A, Carrier, J. (2007). Wake detection capacity of actigraphy during sleep. Sleep, 30, 1362–9
- Philips Respironics. (2005). Actiware software: Actiwatch instruction manual, software version 5.52.0003. Bend, Oregon: Mini Mitter Company
- Philips Respironics. (2008). Equivalence of activity recording and derived sleep statistics. Koninklijke Philips Electronics N.V. http://actigraphy.respironics.com/downloads/AWDataEquivalenceReport_0309_final.pdf. Accessed May 14, 2013, 1--6
- Pollak, C, Stokes, P, Wagner, D. (1998). Direct comparison of two widely used activity recorders. Sleep, 21, 207–12
- Portaluppi, F, Smolensky, MH, Touitou, Y. (2010). Ethics and methods for biological rhythm research on animals and human beings. Chronobiol Int, 27, 911–1929
- Poyurovsky, M, Nave, R, Epstein, R, et al. (2000). Actigraphic monitoring (actigraphy) of circadian locomotor activity in schizophrenic patients with acute neuroleptic-induced akathisia. Eur Neuropsychopharmacol, 10, 171–6
- Rechtschaffen, A, Kales, A. (1968). A manual of standardized terminology, techniques, and scoring system for sleep stages of human participants. Los Angeles, CA: University of California, Brain Information Service/Brain Research Institute
- Ried-Larsen, M, Brønd, JC, Brage, S, et al. (2012). Mechanical and free living comparisons of four generations of the Actigraph activity monitor. Int J Behav Nutr Phys Act, 9, 113 . http://link.springer.com/article/10.1186%2F1479-5868-9-113
- Robusto, KM, Trost, SG. (2012). Comparison of three generations of ActiGraph™ activity monitors in children and adolescents. J Sports Sci, 30, 1429–35
- Rowlands, A, Stiles, V. (2012). Accelerometer counts and raw acceleration output in relation to mechanical loading. J Biomech, 45, 448–54
- Rupp, TL, Balkin, TJ. (2011). Comparison of Motionlogger Watch and Actiwatch actigraphs to polysomnography for sleep/wake estimation in healthy young adults. Behav Res Methods, 43, 1152–60
- Sadeh, A. (2008). Commentary: comparing actigraphy and parental report as measures of children’s sleep. J Pediatr Psychol, 33, 406–7
- Sadeh, A. (2011). The role and validity of actigraphy in sleep medicine: an update. Sleep Med Rev, 15, 259–67
- Sadeh, A, Acebo, C. (2002). The role of actigraphy in sleep medicine. Sleep Med Rev, 6, 113–24
- Sadeh, A, Alster, J, Urbach, D, Lavie, P. (1989). Actigraphically based automatic bedtime sleep-wake scoring: validity and clinical applications. J Ambulat Monit, 2, 209–16
- Sadeh, A, Sharkey, K, Carskadon, M. (1994). Activity-based sleep-wake identification: an empirical test of methodological issues. Sleep, 17, 201–7
- Sadeh, A, Hauri, PJ, Kripke, DF, Lavie, P. (1995). The role of actigraphy in the evaluation of sleep disorders. Sleep, 18, 288–302
- Tonetti, L, Pasquini, F, Fabbri, M, et al. (2008). Comparison of two different actigraphs with polysomnography in healthy young participants. Chronobiol Int, 25, 145–53
- Trost, SG, McIver, KL, Pate, RR. (2005). Conducting accelerometer-based activity assessments in field-based research. Med Sci Sports Exerc, 37, S531–43
- Tucker, MA, Hirota, Y, Wamsley, EJ, et al. (2006). A daytime nap containing solely non-REM sleep enhances declarative but not procedural memory. Neurobiol Learn Mem, 86, 241–7
- Weiss, A, Johnson, N, Berger, N, Redline, S. (2010). Validity of activity-based devices to estimate sleep. J Clin Sleep Med, 6, 336–42