Sleep Study

What is a Sleep Study?

Polysomnography (PSG) is the gold standard test that records brain waves, oxygen levels, heart rate, breathing patterns, and body movements during overnight sleep. It diagnoses sleep apnoea, insomnia, narcolepsy, and restless legs syndrome.

Why Test for Sleep Apnoea?

Loud snoring, daytime sleepiness, witnessed breathing pauses, morning headaches, high blood pressure, and obesity (BMI >30) are classic symptoms. High-risk groups include males over 50, neck circumference >17 inches (males)/16 inches (females), diabetes, stroke history, and heart failure patients. AHI >15/hour confirms moderate OSA requiring CPAP treatment.

Types of Sleep Studies Available

• Level 1 PSG (In-lab overnight): Complete diagnostic gold standard (₹5,000-₹8,000 in Ahmedabad).
• Level 3 HSAT (Home Sleep Apnoea Test): Portable device for 2 nights, ideal screening (₹3,000-₹4,500)
• Level 4 screening: Simple pulse oximetry for high-risk patients (₹1,500).

What Happens During In-Lab PSG?

Arrive 8 PM. Technician attaches sensors to head, face, chest, and legs. Sleep comfortably in AC room (dinner provided). Monitored overnight with video/audio. Morning report ready by 6 AM showing AHI, oxygen drops, and sleep stages.