The European languages are members of the same family. Their separate existence is a myth. For science, music, sport, etc, Europe uses the same vocabulary. The languages only differ in their grammar, their pronunciation and their most common words. Everyone realizes why a new common language would be desirable.
Usually the consequences of a poor night’s sleep are immediately noticeable in the appearance of the skin, but in addition, poor sleep can provoke aging of the skin. When we sleep, our metabolic activity is at its maximum and our skin cells are regenerated.