Sure. But when putting said "trunk soundproofing" to a real world test, just make sure the person is bound tightly, otherwise egg crate foam can be pulled off easily. Then not only do you have ruined soundproofing, you have the embarrassing situation of having to gag your hostage the old fashioned way.
If I am trying to build a soundproof room, I would use foam and egg cartons for materials.
There are cooling products out there. You might want to try cooling the bed with cotton sheets. You can use an egg shell crate on top of the memory foam to make it cooler because the egg crate has space in the middles for air circulation. Use with egg side up.
Buying individual sizes of the foam may be difficult to do and they may cost you a lot. However, egg crate foam is relatively cheap in large sizes and easy to cut, so you can always buy a mattress sized foam sheet and cut it to the sizes you will need. You can find them in different sizes at this link: http://www.foambymail.com/EC_/eggcrate-foam-topper.html.
There are many places one might purchase an egg crate foam. In addition to checking the online discount retailer, Amazon, one might also try a local furniture store.
Egg crate mattresses are the perfect combination of comfort and support. They continue to be a popular bedroom item and for good reason. You can find great deals on Amazon or even at the manufacturers website.
You can buy them at Target, Walmart, Shopko or Kmart to name a few. I have tried both and I definitely like memory foam better than the egg crate type. It is so much more comfortable. It does cost more but in my opinion it is worth it. There is nothing better than a good nights sleep. Well almost!
By securing it in foam, and then in a crate or box made of a hard substance. Or use lots and lots of bubble wrap. It's what one of my cousins used for his egg drop experiment
There is much controversy about whether using real egg cartons on the walls will soundproof a room. Garage bands with little money insist that this cheap form of soundproofing does Answers.com. There is soundproofing egg carton foam that is made and can be purchased in sheets to insulate walls--this method is definitely more effective than using the actual cardboard egg cartons. It is also more costly. If you need to soundproof a room for little to no money, you might as well try the egg carton method yourself--it can't be worse than bare walls. Once installed, see if the resulting soundproofing is myth or fact.
Material used for changing how sound travels in an enclosed area. Most often used for soundproofing or absorbing echoes and vibrations in a sound studio or auditorium. i. e. egg crate
Yes. It supports the egg from all angles.
Egg crate mattress can be good to sleep on. However, it has holes in it that will catch dirt and other stuff, making it hard to sleep on for some.