Vastushastra recommends that the master bedroom should be in the southwest direction.
Position of the head while sleeping and it's effects:
1. North - Ill health and restlessness
2. East - Spiritual and academic progress. Ill health and restlessness
3. South - Best for integrated progress.
4. West - Obstacles in wealth and reputation
5. Northeast - Spiritual and academic progress. Ill health and restlessness
6. Southeast - Anger, physical and spiritual development
7. Southwest - Physical Well-being, Wealth and Fame
8. Northwest - Wealth and Fame, Restlessness and ill health