Sleep patterns in the young and aged
Sleep patterns change with age, anxiety levels and many other factors. Normally, younger people have more concentrated periods of deep sleep compared to older people.
Update Date: 9/11/2008 Updated by: Allen J. Blaivas, DO, Pulmonary, Critical Care, and Sleep Medicine, Department of Veteran Affairs, VA New Jersey Health Care System, East Orange, NJ . Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
EDIZIONI DI PUBBLICO DOMINIO (HTML)
- Alighieri - La Divina Commedia
RISORSE DAL WEB:
Encyclopaedia Britannica 1911 - PDF
Project Gutenberg: DVD-ROM 2007
Wikipedia for Schools - ENGLISH
Wikipedia for Schools - FRENCH
Wikipedia for Schools - SPANISH