Question: what is the difference between qiyam and tahajjud?
Answer: IslamQA: The difference between tahajjud and qiyam al-layl. Salam. ... Linguistically the two have the same meaning, but some scholars choose to differentiate between them, reserving the word tahajjud for interrupting one's sleep to pray, while considering qiyām al-layl to refer to praying without going to sleep at all.