A full night of sleep helps you stay active all day by giving you enough

  energy
  light
  sleep

In the morning, your eyes and brain are signalled that it is time to wake-up by

  movement
  noon
  light

To help your muscles and bones grow and to keep you healthy, sleep renews and strengthens your

  body
  brain
  nails

Rapid-Eye-Movement sleep is the stage when we

  eat
  dream
  snore

Our brain makes a chemical that makes us sleepy called

  gas
  surfactant
  melatonin

Five or six times a night, you go through one sleep

  walk
  game
  cycle

Your body needs rest at night, but while you sleep it is still

  active
  strong
  moving

To help you concentrate, solve problems, and learn, sleep refreshes your

  brain
  mouth
  body

During stage 3 and 4 you are in a _______ sleep.

  cheerful
  peaceful
  deep