10 According to the CDC

If you are looking for a memory-foam pillow, you won't be disappointed with this one. It is 7 inches at its widest point and gives a 30% incline.

Despite memory foam being relatively soft, this pillow holds its shape, and won't squish down even after repeated use. It also features a removable bamboo cover that helps keep you cool through the night and is great for sensitive skin.

This pillow was specifically designed with pregnant women in mind. Though side sleeping is the only option once you are deep into your pregnancy, it doesn’t come without its challenges.

This wedge is designed to fill the gap between belly and bed, supporting the weight of the baby and also helping to keep the back properly aligned. The soft jersey knit cover is also machine-washable, so it’s easy to throw in for a refresh with your sheets.

If you are in search of a soft, plush wedge pillow, down is the way to go. This one is designed for reading in bed and comes in two different sizes. While it doesn't come with a cover, the pillow itself is machine-washable, and the fill is Responsible Down Standard (RDS) certified which means it was filled only with down from humanely treated animals.

Health - Injuries pillow is designed especially for side sleepers. The worm-like portion that wraps around cradles the neck and head, and extends down to become a leg pillow as well. This wedge also has a cutout that allows your arm to fall through, preventing any loss of circulation while sleeping. The body pillow is also disconnected, meaning that it can be used for both left and right side sleeping.

This set comes in a pair of two wedges—one for the head and neck and the other for the lower legs. This provides a supportive and comfortable design for sleeping on your back all night.

If you are trying to become a back sleeper, this may be a good option for you since it makes it more difficult to change from that position in the middle of the night. The upper pillow set is also adjustable, allowing you to get the perfect angle every time.

This is another great memory-foam option. It has a bottom layer of polyurethane foam covered in two inches of memory foam. This helps to keep it supportive and prevent it from flattening out while also giving it a comfortable, cushioned layer of foam. The removable cover is machine-washable and made from fabric designed to keep you cool.

If you travel a lot, it isn’t really feasible to take a full-sized wedge pillow with you. This one inflates in a matter of minutes, and has a soft flocking material that’s comfortable to sleep on. It comes in options of just a leg pillow, just a head pillow or a set of both. They also deflate in a matter of seconds, making it super easy to pack them up quickly and be on your way.

If you are worried that you won't buy a pillow with the right angle for you, and adjustable pillow might be a better fit. This one is able to fold into three different positions, and can be used as both a head pillow or a leg pillow. It is made from high-density memory foam that won't compress over time, and has a soft, washable cover.

Not sure if we can honestly classify this as a pillow, which is perhaps why they call it a wedge system. And like most systems, these pillows work together flawlessly to give you a supportive, comfortable, and ergonomic sleeping position.

It is made up of three separate wedges that can either be zipped together or used separately. You can also get it with a water-resistant travel bag, which helps keep it clean if you plan on taking it on vacation.

If you prefer to sleep with a traditional pillow, this may be a good option for you. It props the bed up to a 7-inch incline which is enough to feel the effects of the incline while still feeling like you are sleeping on your familiar bed. It is made from high-density foam which won't compress over time, and even adds a layer of extra cushion.