James K. Walsh

The direct economic costs of insomnia in the United States for 1995.

J. Walsh, C. L. Engelhardt, J. Walsh, 1999, Sleep.

Effects of continuous positive airway pressure on neurocognitive function in obstructive sleep apnea patients: The Apnea Positive Pressure Long-term Efficacy Study (APPLES).

Deborah A. Nichols, L. McEvoy, C. Guilleminault, 2012, Sleep.