Sleep tight

All words relate to the concept of 'Sleep tight'

Think about what these words have in common

Look for the Spangram - it often reveals the theme

Theme words range from 4 to 10 letters long

Watch for words starting with E, M

The Spangram might be a compound or phrase (7 letters total)

One word: E______ (8 letters, starts with 'E')

Another word: M______ (4 letters)

Also look for: M______ (10 letters)