A new research shows the average pillow is home to a host of potentially-harmful fungi.

The researchers took samples from 10 pillows - five feather and five and found 16 types of fungi. Feather pillows had fewer species than synthetic versions. The fungal spores found in the pillows fed off human skins scales and dust mite faeces. Each pillow had between 4 and 16 species on them.
The microscopic fungus Aspergillus fumigatus was particularly evident in synthetic pillows. This fungus usually invades the lungs and sinuses and can worsen asthma. It is also known to cause infection in leukaemia and bone marrow transplant patients.

Researchers are reporting a “miniature ecosystem" operating inside pillows.
Experts are advising disinfection of the pillows and purchase of feather ones to help reduce the exposure in the home.