Type of pillow(for education purpose only)
There are many type of pillow on the market today.
                                                             1.Feather Pillow

Of course it is made by feather.Feather are nature's natural spring,its provide a high level of support.The best feather pillow are the ones that use very small highly curled feathers. Usually inexpensive and soft. (Not suitable for allergy sufferers) 

2.Memory Foam Pillow

This pillow is comfort product. The product self-adjusts to body contours and reduces pressure on sensitive areas. This pillow is able to reduce tossing and turning. They are a bit pricey and not for everyone because its not very ventilation. You will easily feel hot when you sleep longer.