Central sleep apnea and Chiari 1 malformation in a pediatric patient with Klippel-Feil syndrome Central sleep apnea and Chiari 1 malformation in a pediatric patient with Klippel-Feil syndrome Download Cardiovascular and somatic comorbidities and sleep measures using three hypopnea criteria in mild obstructive sleep-disordered breathing: sex, age, and body mass index differences in a retrospective sleep clinic cohort Changes in the objective measures of sleep between the initial nights of menses and the nights during the midfollicular phase of the menstrual cycle in collegiate female athletes