“Damp hair that’s been air drying for an hour is much better for you when going to bed than having soaking hair, if you can wash your hair earlier in the day and arrange your schedule around this it’s going to be better for your hair and your health,” he added.
Waterproof pillowcases are an option for stopping dampness from leaking into your pillows, but they don’t do much to stop your hair from breaking.
But silk pillowcases can protect your hair better as they allow your hair to glide across them when moving during the night.
Mr Stevens said: “Smooth fabrics cause less friction when you toss and turn when sleeping and they also help retain the natural oils within your hair which will result in healthier hair.