Rasulullah SAW advised his people to always face to the right when going to bed. Sleeping position like this is not just a sunnah, but it turned out to have efficacy if reviewed medically.
In addition to the recommended sleeping positions, there is also a very angry sleep position of Allah SWT. It is even mentioned that this position is characteristic of the inhabitants of hell. What is the position in question?
Here's the review.
It turns out that the position that is prohibited and dimurkai this is a prone position. This is explained Rasulullah SAW in his hadith when he came to a mosque. He saw a man living in Nabawi Mosque sleeping on his stomach. The story narrated by Thakhfah Al-Ghifari RA one of the people who lived in the Nabawi mosque said, "I slept in the mosque at the end of the night, then someone came to me while I slept on my stomach. Then said: "Get up from your stomach, for such sleep is the sleep of those who are angry with Allah." Then I lifted my head, so when I saw he was the Messenger of Allah (SAW), then I shall rise again. " Bukhari]
In another narration the Prophet SAW explained that the position of sleeping on his stomach is the sleeping position of the inhabitants of hell. This hadith is narrated by Ibn Majah which means: