Hans Kurt says:
View the roof in a dream, is indicated achieve happiness. Falling from the roof in a dream, indicates that you are in trouble. If sleeping see you lying roof, meaning that enemies can not hurt you.
Text from the site of dream interpretation
Nly Beeton says:
1 Check if sleeping on the roof of a house standing, a sign that the'll find boundless happiness. But if you feel the roof falling, a sign that life does not have a solid base.
2 Bedrooms see if the roof is crumbling, sign that the incident will face.
3 Bedrooms see if you repair the roof of a house, a sign that the wealth will be added quickly.
4 sleep on the roof in a dream, a sign that the harm enemies will always remain reserved.
Text from the site of dream interpretation