In residential house, South is the most powerful direction. That is the reason a mother-in-law should sleep in this direction.
In the absence of mother-in-law,
the eldest daughter-in-law in the family should sleep in this corner.
If mother-in-law is there, in that case first daughter-in-law should sleep in South West,
the second eldest in the East.
Wife should sleep in left side of her husband in South direction.
If arrangement of bed is made in Agni Kona direction,
in that case, wife should sleep in right direction of her husband.
Senior ladies of the family like mother-in-law or the eldest daughter-in-law should not sleep in East or Ishaan Corner.