Chapter 3 An overview of polysomnography

摘要: Publisher Summary This chapter describes polysomnography (PSG). Polysomnography is used to investigate the relationship among changes in physiology, impact on sleep, and consequences of waking function, performance, behavior. Issues such as shift work, time zone change, or suspected advanced delayed sleep phase syndrome should be taken into consideration when scheduling study. The PSG conducted during patient's usual major period avoid confounding circadian rhythm factors. Questionnaires regarding sleep–wake history a diary that solicits information about periods naps are useful adjuncts PSG. can identify triage patients prior laboratory testing. A full medical psychiatric completed made available technologist performing Without this information, at loss understand how aspects may affect study anticipate difficulties.