GOSH for Children NHSSleep hygiene: This information sheet from Great Ormond Street Hospital (GOSH) explains about sleep hygiene. The lead-up and routine around your child’s bedtime is referred to as ’sleep hygiene’. Having good sleep hygiene can help your child both to settle to sleep and to stay asleep. There are several things that parents can do to help – here are some ideas of areas to consider.Children of different ages require different amounts of sleep.