Abstract
This chapter evaluates the long-term effects of using the Sleep Position Trainer (SPT) in position-dependent OSA (POSA) patients over a period of 6 months, in terms of effectiveness, compliance, and subjective sleep parameters. In a large cohort of 106 adult POSA patients, the percentage of supine sleep time decreased rapidly during the training phase of SPT use (day 3–9) to near total avoidance of supine sleep time. This decrease was maintained during the following months of treatment. SPT compliance, defined as more than 4 h of usage per night as an average over seven nights per week, was 64.4 %. Epworth Sleepiness Scale (11–8), Pittsburgh Sleep Quality Index (8–6), and Functional Outcomes of Sleep Questionnaire (87–103) values showed a significant improvement compared to baseline.
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