Source: The Great Interpretation of Dreams (Ibn Sirin)
Shortness of breath in a dream indicates worry, grief, and hardship. Ease of breath indicates relief and comfort.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
Breath indicates life and spirit. Its cessation indicates death.
Source: Signs in the Science of Expressions (Ibn Shaheen)
Shortness of breath is interpreted as worry. Whoever sees himself breathing with difficulty will be afflicted with worry.