'Nappy only' heatwave sleep mistake midwife urges parents to avoidEXCLUSIVE: As the UK and Ireland is set to bake in highs of up to 38C, a midwife has shared one mistake that she sees parents make over and over againView Image Lily Foggan is a trained midwifeA registered midwife is urging parents to stop making one mistake when it comes to their child or baby's sleep during hot weather. With the increased heat also comes a struggle for parents to make sure their children are comfortable while sleeping. A registered midwife, Lily Foggan, is now urging parents to stop making one mistake when it comes to dressing their children for sleep in a heatwave. Lily said: "In hot weather, babies obviously need fewer layers than normal. How to keep a baby cool during a heatwaveThere are a number of ways parents can help keep their children cool as they sleep during a heatwave according to The Lullaby Trust.