Reference tables

Quick reference for sleep need by age, sleep apnea severity, CPAP masks and supplies, sleep stages and sleep studies, with sources.

CPAP Mask Types ComparedThe mask is the part of CPAP therapy people notice most, and a poor fit is one of the most common reasons …CPAP Supply Replacement Schedule (Medicare)Medicare limits how often it pays for replacement CPAP parts. The usual maximum quantities below come from the Medicare Local Coverage Determination …Caffeine in Common DrinksCaffeine content varies widely between brands, brewing methods and serving sizes. The figures below are the ranges the US Food and Drug …Insomnia Medication Classes: An OverviewCognitive behavioral therapy for insomnia (CBT-I) is the recommended first treatment for chronic insomnia in adults. Medicines are sometimes used as well. …Recommended Hours of Sleep by AgeHow much sleep people need changes across life. This table lists the CDC recommendations, which draw on consensus statements from the American …Sleep Apnea Severity by AHIThe apnea hypopnea index (AHI) counts apneas and hypopneas per hour of sleep. It is the standard way to grade obstructive sleep …Stages of Sleep: N1, N2, N3 and REMSleep is divided into non-rapid eye movement (NREM) sleep, which has three stages, and rapid eye movement (REM) sleep. The stages repeat …Types of PAP Machines: CPAP, APAP, BiPAP and ASVPositive airway pressure (PAP) devices blow air through a mask to keep the airway open. They differ in how they deliver pressure. …Types of Sleep Studies ComparedSeveral kinds of sleep tests exist, and each answers a different question. Some diagnose breathing problems, some set CPAP pressure, and others …

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