To dream that you are oppressed by heat, implies that you will fail to perform your plans due to some friend betrayal. To dream of heat is a very unfavorable sign.
Pray that God should separate you from every unfaithful friend.
Supplication: Robbi fala tajaliniy filqaomi zuhmeena 21. Robbi auzubika min kulli sharrin ta alamuhu 21. Kulillahu yunjeekum minha, wamin kulli karbin azeemi 21 for 7 days.