Are you one of those humans who wears your pyjamas once and then tosses them into the wash? Or do you like to get a bit of wear out of them? 2, 3, 9 days?
While we are sure that however often you wash your jimjams is what is right for you, an expert from Good Housekeeping Institute, has spoken out on the right amount of times to wash your pyjamas.
She has revealed that once a week is more than enough!
"Pyjamas should be washed after a few good nights' sleep."
"If you shower before you go to bed, you can wait a few extra nights between washings: I'd say once a week, so every seven days."
There are exceptions to the 'once a week' rule though.
"If you're a sweaty sleeper you should increase this," she said.
"If someone has been ill, wash them straight away on as high a temperature as the care label allows."