It is narrated from Sayyidah Aishah (may Allah be pleased with her) that the Messenger of Allah (peace and blessings be upon him) used to pray at night while I lay across between him (peace and blessings be upon him) and the qiblah, like a bier (janazah) laid widthwise.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 3492