Silsilah as-Sahihah 730 — Tahajjud prayer is a sign of righteousness

It is narrated from Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) that Sayyidah Hafsah (may Allah be pleased with her) related (his dream) to the Messenger of Allah (peace and blessings be upon him), and he said: "Indeed, Abdullah is a righteous man; if only he would pray more at night."