The spas you find in New York City are a great way to unwind and relax. But have you ever considered why you feel so good after a trip to your favorite spa?

The secret is in the mattresses you lay on while you receive your treatment. Sleep spas also allow you to take a nap, further highlighting the importance of a high quality mattress.

Whether you prefer thin mattresses or a soft mattress, this simple factor is the key to a great spa stay.