Differences in light sleep and deep sleep measured with IST Vivago WristCare

Elina Lamminmäki, Ari Saarinen, Jyrki Lötjönen, Markku Partinen, Ilkka Korhonen

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Abstract

Activity monitoring is a widespread alternative to polysomnography (PSG) in studying sleep/wake patterns because it enables inexpensive long-term monitoring and does not require laboratory conditions for recording. IST Vivagor WristCare is a wrist worn activity monitoring device, which has been found to produce similar results to traditional actigraphs in sleep/wake detection. The movement sensor of Vivagor is more sensitive to low intensity movements than that of traditional actigraphs. We compared activity measured with IST Vivagor during deep sleep, light sleep and awake. The results showed that average (p<0.001) and standard deviation (p<0.00001) of activity are significantly lower in deep sleep than in light sleep. However, minute-by-minute classification of sleep level was not successful. In conclusion, Vivagor activity gives indication of the overall sleep quality, but does not allow sleep stage classification.
Original languageEnglish
Title of host publicationProceedings of the 3rd European Medical and Biological Engineering Conference, IFMBE Proceedings, 2005
Place of PublicationPraha
Editioncd-rom
Publication statusPublished - 2005
MoE publication typeA4 Article in a conference publication
Event3rd European Medical and Biological Engineering Conference, EMBEC'05 - Prague, Czech Republic
Duration: 20 Nov 200525 Nov 2005

Publication series

SeriesIFMBE Proceedings
Volume11

Conference

Conference3rd European Medical and Biological Engineering Conference, EMBEC'05
Abbreviated titleEMBEC
CountryCzech Republic
CityPrague
Period20/11/0525/11/05

Keywords

  • IST Vivago WristCare
  • sleep quality
  • activity monitoring

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    Lamminmäki, E., Saarinen, A., Lötjönen, J., Partinen, M., & Korhonen, I. (2005). Differences in light sleep and deep sleep measured with IST Vivago WristCare. In Proceedings of the 3rd European Medical and Biological Engineering Conference, IFMBE Proceedings, 2005 (cd-rom ed.). [1615]. IFMBE Proceedings, Vol.. 11