Unlike previously thought, scientists have demonstrated that good quality sleep more gradually with age.

After consulting with more than 150,000 older people, experts of the University of Pennsylvania (USA) was surprised to discover a fact completely contrary to conventional wisdom.

Accordingly, sleep quality increase as people age. In particular, the object belongs to sleep most of his stuff, her stuff from 80 years of age, according to a report published in the journal Sleep.

Lead researcher Michael Grandner said his group conducted a survey to confirm the truth behind the long-standing rumors that the elderly have trouble sleeping.

These results force us to rethink previous notions about sleep now in the elderly, the BBC quoted him Grandner.