Al-Ayzar bin Hurayth (may Allah have mercy on him) narrates that Zayd bin Suhan (may Allah be pleased with him) said: Do not wash the blood off me, and do not remove any garment from me except the leather socks, and bury me level in the earth, for indeed I am a man who will plead my case. In the narration of Abu Nu'aym there is the addition: I will plead my case on the Day of Resurrection.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الجنائز / 6824