Source: The Great Interpretation of Dreams (Ibn Sirin)
Standing in a dream indicates stagnation of one's condition and difficulty in affairs. Whoever sees himself standing, his affairs will stop.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
Standing indicates confusion and hesitation. Standing in prayer indicates steadfastness in religion.
Source: Signs in the Science of Expressions (Ibn Shaheen)
Standing is interpreted as worry. Whoever sees himself standing is in worry.