section_path: Care and feeding/Sleep
section_name: Sleep
paragraph_text: Sleep
  
  A 2018 review analysed 146 studies on infant sleep behavior and listed several factors that show an effect on sleep duration and the number of night awakenings. However, research has indicated that frequent wakings are protective of SIDS.
  
  Infant sleep is not linear, ebbing and flowing with developmental milestones and age.
  
  The National Sleep Foundation gives a rough recommendation on sleep hours, that commonly decreases with increasing age.