I've been wearing these to sleep and study for about the past 4 years, they're the best earplugs i've ever worn. Very soft and comfortable. http://www.amazon.com/Hearos-Xtreme-Protection-14-Pair-Foam/dp/B001EPQ86A/ref=sr_1_2?ie=UTF8&qid=1433828145&sr=8-2&keywords=hearo%27s&pebp=1433828148108&perid=0ZT1S4R3567QVXKMGZCD