Emily, who is now 12 months old, has slept in her parents' bed ...

[neverstopbelieb]

Emily, who is now 12 months old, has slept in her parents' bed since she was born. This custom is called
 
  co-sleeping.
  co-bedding.
  shared sleep.
  sleep accommodation.

Question 2

Which of the following is a reason why first-born children have more sleep difficulties than later-born children?
 
  because of hormonal differences between first pregnancies and later
  pregnancies
  because first-born children are more likely to be male and male children have
  more sleep difficulties than female children
  because parents tend to be more vigilant with their first-born children
  because first-born children are more likely to be fed cow's milk than are
  later-born children

[fwbard]

Answer to Question 1

co-sleeping.

Answer to Question 2

because parents tend to be more vigilant with their first-born children