, why?.....
Scientists say that sleeping on the left side is not favored, as the heart would be under the pressure of the right lung, the biggest of the two lungs, and this would affect its contraction especially if the person is old. Also they assure that the full stomach which itself is under the pressure of the heaviest organ in the digestive tract, the liver, which delays its emptying, would also impose a pressure on the heart.Hence they advise people to sleep on the right side especially for patients by any heart disease.

Prophet Mohamed peace be upon him advised us 1400 years ago to start our sleeping mode on the right side

Glory to Allah!!! Who told our prophet this medical advice?

The secrets and miracles of the Koran do not end in the past, present and future
God every day shows the miracle scientists
Even non-Muslim convert to Islam
There will be questions about the Koran all the time and every time for all generations
The Koran answers them and scientists rejoice in proving the health of the Quranic miracle
A non-Muslim need this
for convert to Islam
We have to wonder about the Koran
A Muslim does not need this because he believes directly in the words of God
As I said the Koran is constant and the theory only shows every day the health of the Koran