Some comfortable pillows available on Amazon.com, as of 2016, include hypoallergenic goose down/goose feather pillows, memory foam side sleepers, high-end goose down pillows, memory foam neck pillows and hypoallergenic down alternative pillows. The hypoallergenic goose down/goose feather pillow is made from 50-percent white goose feather and 50-percent white goose down.
The memory foam side sleeper pillow features tiny beads inside it that react to the body temperature. If the body temperature is high, then the tiny beads absorb heat from the body and make the body feel cool. If the body temperature is low, then these beads releases heat to make the body feel warm.