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2. The Very Best Earplugs for Sleeping, According to Sleep ... - AOL

   www.aol.com/lifestyle/very-best-earplugs...

   Experts discuss earplugs for sleeping including the best earplugs, if earplugs are safe for sleeping, the best earplug materials, and more. The Very Best Earplugs for Sleeping, According to Sleep ...

3. Depleted energy levels affect us all. But here's when they ...

   www.aol.com/depleted-energy-levels-affect-us...

   Heart disease can also affect energy levels. "Some other common conditions related to low energy levels include thyroid issues, depression and anxiety, and autoimmune issues such as lupus and ...

4. Do Loop earplugs actually work?

   www.aol.com/news/loop-earplugs-actually...

   Like most earplugs, Loops are designed to prevent noise-induced hearing loss and tinnitus, specifically when it comes to loud noise exposure during concerts and nightlife. Each earplug is about ...

5. Noise-cancelling headphones - Wikipedia

   en.wikipedia.org/wiki/Noise-cancelling_headphones

   Noise-cancelling headphones are headphones that suppress unwanted ambient sounds using active noise control (ANC). Active noise cancellation makes it possible to listen to audio content without raising the volume excessively. In an aviation environment, noise-cancelling headphones increase the signal-to-noise ratio significantly more than ...

6. Earplug - Wikipedia

   en.wikipedia.org/wiki/Earplug

   Earplug. Pre-molded earplugs (left), formable earplugs (center), and roll-down foam earplugs (right) 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 ...

7. Headphones - Wikipedia

   en.wikipedia.org/wiki/Headphones

   Headphones are also known as earphones[1] or, colloquially, cans. [2] Circumaural (around the ear) and supra-aural (over the ear) headphones use a band over the top of the head to hold the drivers in place. Another type, known as earbuds or earpieces, [1] consists of individual units that plug into the user's ear canal.