Objectives - To examine the sleep-disordered breathing in patients with Fre
eman-Sheldon syndrome (FSS). Material and methods - One night polysomnograp
hy was performed for 2 teenage FSS patients. Results They showed frequent o
bstructive sleep apnea exclusively during rapid-eye-movement sleep. Conclus
ion - FSS is a risk factor for the occurrence of sleep disordered breathing
.