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Sleep Analyzer: what an old nighttime audio log could record

Excelltech’s Sleep Analyzer recorded sounds above a chosen threshold. An audio log is different from a clinical sleep study.

Editorial 3D illustration of the Sleep Analyzer app icon on a colored background; not an app screenshot.

Sleep Analyzer is a legacy audio-logging app from Excelltech Inc., identified by Apple app ID 296266786. Its description explains recording sounds above a selected threshold and reviewing those clips later. Apple’s record checked in September 2026 shows a December 2012 update. An accessible catalog record does not establish compatibility with a current device or validate the app’s health claims.

Understand what the record actually represents

A threshold-triggered clip records a sound that met the selected condition. It does not, by itself, identify who made the sound or establish a sleep stage. The NHLBI description of sleep studies explains that clinical studies can monitor signals such as brain activity, breathing and blood oxygen. Those measurements are different from a phone’s nighttime audio recording.

Keep original recordings and their dates when reviewing an old installation. A clip may contain more than one person or a background sound, so its label should not be treated as a medical explanation.

Preserve old data before changing an installation

The developer’s description mentions retaining a month of entries and copying recordings to a computer through an older desktop utility. This article has not verified that transfer route. Before removing the app, changing a device or relying on an export, confirm that any files you want to keep can actually be opened elsewhere. Also consider who else may be audible before sharing a clip.

This newly written archive overview uses Apple metadata checked September 27, 2026. It does not validate the app’s medical explanations. Explore more app guides or App Store research.