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The Loop Quiet is for deep sleep and concentration. The Experience earplugs tone down loud noises but still allow you to hear music. The Engage reduces background noise while remaining suitable ...
Making sure your plugs fit in your ear canal snugly is also important in order for them to function well as a sleep-promoting tool. Say it with me: earplugs. There are a few key markers to ...
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Earplug. An earplug is a device that is inserted in the ear canal to protect the user's ears from loud noises, intrusion of water, foreign bodies, dust or excessive wind. Since they reduce the sound volume, earplugs may prevent hearing loss and tinnitus (ringing of the ears), in some cases.
Ear-EEG is a method for measuring dynamics of brain activity through the minute voltage changes observable on the skin, typically by placing electrodes on the scalp. In ear-EEG, the electrodes are exclusively placed in or around the outer ear, resulting in both a much greater invisibility and wearer mobility compared to full scalp electroencephalography (EEG), but also significantly reduced ...
Respiratory disturbance index. The respiratory disturbance index ( RDI )—or respiratory distress Index —is a formula used in reporting polysomnography (sleep study) findings. Like the apnea-hypopnea index (AHI), it reports on respiratory distress events during sleep, but unlike the AHI, it also includes respiratory-effort related arousals ...
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