All of us spend around one-third of our lives asleep, so it can be tough to get rid of a trusty sleep aid. But when the time comes, you’ll know. Whether you’re starting to wake up with neck pain or your pillow has changed colors from all the use, eventually, you’ll come to realize that an old pillow’s days are numbered. But what do you actually do with old pillows when you acquire new ones? If possible, it’s best to refrain from tossing pillows in the trash because they end up in landfills, which are detrimental to our environment. Fortunately, there are many environmentally friendly ways to get rid of your pillows by repurposing, donating, and recycling them.