When it comes to household chores, changing your bed sheets is one of the more exhausting ones. Just the idea of wrestling a duvet into a new cover can be enough to make you feel tired.So much so, that men in particular aren’t washing them. Half of single men don’t wash their bed sheets for up to four months at a time, according to a new survey. And 12% of them admitted to only washing them when they remember.  Pizuna Linens conducted a survey of of 2,250 UK adults over the age of 18 and found that 62% of single women changed their bedding once every two weeks whilst only 29% single men washed their sheets at the same rate. Almost half (45%) of single men said they only washed their sheets every three to four months. But what happens when you don’t change them?Not washing your bed sheets frequently can lead to a host of health problems such as infected wounds and athletes foot, according to Mary Malone, a laundry expert at about.com.According to Malone, during sleep we continue to perspire, meaning body oils and soil are released.“Infrequent cleaning of sheets and pillowcases allows the fluids to seep into the pillows and mattresses, and those are much more difficult to clean than tossing sheets in the washer,” she