READING THE QUR'AAN WHILE LYING ON A BED
Question:
While I am lying down ready to go to sleep, may I read the Qur'aan
Answer:
Yes, it is allowed for one to recite while lying on a bed except while Junub (in a state of sexual impurity), in which case he may not recite from the Qur'aan until having performed Ghusl.
Shaykh Muhammad bin Saalih al-`Uthaymeen
Fatawa Islamiyah, vol.7, p.60, DARUSSALAM