Memory Foam Matresses are great for anyone that has a bad back or doesn't sleep well at night. The nice thing about memory foam is that it contours to your body and gives you back support better than a regular spring mattress. Some of the best brands to buy are Sealy and Tempur-Pedic. Tempur-Pedic will let you try the mattress free for 90 days before you buy. Sealy is known for their quality and have been in business for many many years, so you can expect quality from them. Make sure that if you decide to buy one to look online first to get find the best prices available. The approach your local business to get the best deal locally. The mattress will cost you around $1000 but it will be well worth it because they last a life time. You can always look at consumer reports magazine if you want some honest feedback on the different matresses available.