1. Sleep Disordered Breathing and COPD

   • Alberto Braghiroli
   • Rudolfo álvarez-Sala

   Editorial Pages: 1 - 2

2. Long-Term Effects of Treatment with Nasal Continuous Positive Airway Pressure on Lung Function in Patients with Overlap Syndrome

   • Javier de Miguel
   • Jorge Cabello
   • José L. álvarez-Sala

   Original Article Pages: 3 - 10

3. Hypercapnia in Overlap Syndrome: Possible Determinant Factors

   • Onofrio Resta
   • Maria Pia Foschino Barbaro
   • Monica Carbonara

   Original Article Pages: 11 - 17

4. Cigarette Smoking Behavior and Respiratory Alterations During Sleep in a Healthy Population

   • Gonzalo G. Casasola
   • José L. álvarez-Sala
   • Domingo Espinós

   Original Article Pages: 19 - 24

5. Nocturnal Desaturations in COPD: Still an Open Question?

   • Alberto Braghiroli

   Second Opinion Pages: 25 - 26

6. On “Snoring in the Ancient World”

   • Wolfgang Pirsig

   Editorial Comment Pages: 27 - 28

7. “Snoring in the Ancient World”

   • Wolfgang Pirsig

   Historic Review Article Pages: 29 - 39

8. Sleep Medicine Before and After Dickens

   • Nikolaus C. Netzer

   Second Opinion Pages: 41 - 43

9. Association of Sleep and Academic Performance

   • Arne Eliasson
   • Anders Eliasson
   • Arn Eliasson

   Emerging Research Pages: 45 - 48