Looks-wise, it’s remarkably similar to the Dyson AM09 hot + cool (also included in this review), but the Vortex Air model is more than £100 cheaper. Plus, it has a HEPA 13 air purifier ...

“The temperature of the head regulates core body temperature,” Kennedy explains, and “the body needs to be cool to fall asleep ... comfortable they are. For more great pillows, you can ...