Before you sleep Verse:  
Psalm 4:8

In peace I will lie down and sleep,for you alone, O Lord, will keep me safe.  

Before you eat prayer:

(Superman Prayer for kids)

https://www.youtube.com/watch?v=j9KCZE7lCcM

Before you sleep prayer:

keep the same one

Bless your children prayer:

keep the same one

Couch time:

Question: "What is God?"

Answer: "God is the creator of everyone and everything."