World Journal of
Pharmaceutical and Life Sciences

( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Pharmaceutical and Life Sciences
An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)
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Abstract

POLYSOMNOGRAPHY: A COMPREHENSIVE REVIEW

Dr. Sheffy S. Thomas and Dr. Sandhya M.*

ABSTRACT

Polysomnography (PSG) is a diagnostic methodology that records and interprets a wide array of physiological signals during sleep. It plays a central role in evaluating sleep-related disorders, especially obstructive sleep apnea (OSA), periodic limb movement disorder (PLMD), and narcolepsy. By capturing neural, muscular, cardiac, and respiratory activity overnight, PSG provides critical insights into sleep architecture and disturbances. With recent technological advancements, including portable monitoring systems and artificial intelligence (AI)-based scoring tools, PSG has become more accessible and precise. This review explores the essential components, applications, and emerging innovations in PSG.

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