Gesunder Schlaf

Marx, Carolin

doi:10.1007/978-3-662-50272-3_1

Cited by 1 publication

(1 citation statement)

References 47 publications

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“…Although the exact functions of sleep are not fully discovered yet, consequences of disturbed or deprived sleep can be displayed quite well (Marx, 2016). The reduction of sleep has strong emotional effects (Caia, Kelly, & Halson, 2018), influences homeostasis and immune and neuroendocrine regulation (Kölling, Wiewelhove, et al, 2016), leads to sleepiness (Axelsson et al, 2008), an increase in reaction time (Postolache et al, 2005) as well as a decline in memory (Grundgeiger, Bayen, & Horn, 2014) and psychomotor performance (Reilly & Edwards, 2007).…”

Section: Introductionmentioning

confidence: 99%

Portable PSG for sleep stage monitoring in sports: Assessment of SOMNOwatch plus EEG

Berge

Kellmann

Kallweit

et al. 2019

European Journal of Sport Science

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Current sport-scientific studies mostly neglect the assessment of sleep architecture, although the distribution of different sleep stages is considered an essential component influencing an athlete's recovery and performance capabilities. A mobile, selfapplied tool like the SOMNOwatch plus EEG might serve as an economical and time-friendly alternative to activity-based devices. However, self-application of SOMNOwatch plus EEG has not been validated against conventional polysomnography (PSG) yet. For evaluation purposes, 25 participants (15 female, 10 male; M age = 22.92 ± 2.03 years) slept in a sleep laboratory on two consecutive nights wearing both, conventional PSG and SOMNOwatch plus EEG electrodes. Sleep parameters and sleep stages were compared using paired t-tests and Bland-Altman plots. No significant differences were found between the recordings for Sleep Onset Latency, stages N1 to N3 as well as Rapid Eye Movement stage. Significant differences (Bias [95%-confidence interval]) were present between Total Sleep Time (9.95 min [−29.18, 49.08], d = 0.14), Total Wake Time (−13.12 min [−47.25, 23.85], d = −0.28), Wake after Sleep Onset (−11.70 min [−47.25, 23.85], d = −0.34) and Sleep Efficiency (2.18% [−7.98, 12.34], d = 0.02) with small effect sizes. Overall, SOMNOwatch plus EEG can be considered a valid and practical self-applied method for the examination of sleep. In sport-scientific research, it is a promising tool to assess sleep architecture in athletes; nonetheless, it cannot replace in-lab PSG for all clinical or scientific purposes.

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