Identifying Excessive Daytime Sleepiness Using Epworth Sleepiness Scale in a Normal Healthy Population – A Pilot Study

Abstract

Introduction: Excessive daytime sleepiness (EDS) is a common sign in obstructive sleep apnoea syndrome which is often missed during routine screening. Epworth Sleepiness Scale (ESS) is simple, reliable tool to assess daytime sleepiness. Thus, the aim of the study is to identify excessive daytime sleepiness using ESS in a normal healthy population. Methods: 40 Volunteers aged 30-70 yrs, without history of Diabetes, Coronary Artery Disease and diagnosed sleep disorders who are capable of comprehending the sleep ques-tionnaire (Epworth sleepiness scale) were recruited. Informed consent and institutional ethical clearance was taken before start of the study. Results: EDS is seen among 10% of the subjects. ESS score in males and females were 4.42±4.1 and 3.50±2.2 respectively with p value 0.425 suggesting no significant difference in ESS score between males and females. BMI was comparable between males and females No correlation was found between BMI and ESS. Conclusion: Epworth sleepiness scale can be recommended to the practising physician to screen the patients for EDS a sign of OSA (obstructive sleep apnoea). Key words: Excessive daytime sleepiness, Epworth Sleepiness scale, Obstructive sleep apnoea, obesity