Horace William Bonekat, D.O. for UC Davis Health

Horace William Bonekat, D.O.

Professor Emeritus, Department of Internal Medicine, Division of Pulmonary

To see if Horace William Bonekat is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).



Internal Medicine

Pulmonary and Critical Care


Internal Medicine

Locations and Contact

Patient Support Services Building - Pulmonary, Critical Care, and Sleep Medicine

4150 V St.
Sacramento, CA 95817

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Additional Numbers

Physician Referrals

800-4-UCDAVIS (800-482-3284)

Clinical Interests

In addition to teaching human physiology and pulmonary medicine, for which he was recognized with a 1995 Kaiser Foundation Hospitals Teaching Award for Excellence, H. William Bonekat co-directs the UC Davis Sleep Disorders Laboratory. His impressive research projects include respiratory control and dyspnea, neuromuscular disease, and cardiovascular consequences of sleep apnea. His expertise relating to respiratory and pulmonary issues has been widely published.


Pulmonary, Critical Care, and Sleep Medicine

Undergraduate School

B.S., Clemson University, Clemson SC 1969

Medical School

D.O., Philadelphia College of Osteopathic Medicine, Philadelphia PA 1974


Flint Osteopathic Hospital, Flint MI 1974-1975


Greater Baltimore Medical Center, Baltimore MD 1975-1978


Mayo Clinic, Rochester MN 1980-1981


University of Louisville, Louisville KY 1978-1980

Kaiser Foundation Hospitals Teaching Award, 1995

Outstanding Clinician Award, UC Davis School of Medicine: Department of Internal Medicine, 2012

Distinguished Clinical Faculty and Clinical Professor, UC Davis School of Medicine, Department of Physical Medicine & Rehabilitation, 2012

Bonekat HW, Hardin KA. Severe upper airway obstruction during sleep. Clin Rev Allergy Immunol. 2003 Oct;25(2):191-210. doi:10.1385/CRIAI:25:2:191. PMID:14573885.

Shahar E, Whitney CW, Redline S, Lee ET, Newman AB, Nieto FJ, O'Connor GT, Boland LL, Schwartz JE, Samet JM. Sleep-disordered breathing and cardiovascular disease: cross-sectional results of the Sleep Heart Health Study. Am J Respir Crit Care Med. 2001 Jan;163(1):19-25. doi:10.1164/ajrccm.163.1.2001008. PMID:11208620.

Griffith KA, Sherrill DL, Siegel EM, Manolio TA, Bonekat HW, Enright PL. Predictors of loss of lung function in the elderly: the Cardiovascular Health Study. Am J Respir Crit Care Med. 2001 Jan;163(1):61-8. doi:10.1164/ajrccm.163.1.9906089. PMID:11208627.

Ugalde V, Walsh S, Abresch RT, Bonekat HW, Breslin E. Respiratory abdominal muscle recruitment and chest wall motion in myotonic muscular dystrophy. J Appl Physiol (1985). 2001 Jul;91(1):395-407. doi:10.1152/jappl.2001.91.1.395. PMID:11408457.

Ugalde V, Breslin EH, Walsh SA, Bonekat HW, Abresch RT, Carter GT. Pursed lips breathing improves ventilation in myotonic muscular dystrophy. Arch Phys Med Rehabil. 2000 Apr;81(4):472-8. doi:10.1053/mr.2000.3790. PMID:10768538.

Redline S, Kapur VK, Sanders MH, Quan SF, Gottlieb DJ, Rapoport DM, Bonekat WH, Smith PL, Kiley JP, Iber C. Effects of varying approaches for identifying respiratory disturbances on sleep apnea assessment. Am J Respir Crit Care Med. 2000 Feb;161(2 Pt 1):369-74. doi:10.1164/ajrccm.161.2.9904031. PMID:10673173.

Gottlieb DJ, Whitney CW, Bonekat WH, Iber C, James GD, Lebowitz M, Nieto FJ, Rosenberg CE. Relation of sleepiness to respiratory disturbance index: the Sleep Heart Health Study. Am J Respir Crit Care Med. 1999 Feb;159(2):502-7. doi:10.1164/ajrccm.159.2.9804051. PMID:9927364.

Redline S, Sanders MH, Lind BK, Quan SF, Iber C, Gottlieb DJ, Bonekat WH, Rapoport DM, Smith PL, Kiley JP. Methods for obtaining and analyzing unattended polysomnography data for a multicenter study. Sleep Heart Health Research Group. Sleep. 1998 Nov 1;21(7):759-67. PMID:11300121.

Whitney CW, Enright PL, Newman AB, Bonekat W, Foley D, Quan SF. Correlates of daytime sleepiness in 4578 elderly persons: the Cardiovascular Health Study. Sleep. 1998;21(1):27-36. doi:10.1093/sleep/21.1.27. PMID:9485530.

Bonekat HW. Noninvasive ventilation in neuromuscular disease. Critical Care Clinics. 1998'14(4):775-797.