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 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 Download Central sleep apnea and Chiari 1 malformation in a pediatric patient with Klippel-Feil syndrome Daylight saving time: an American Academy of Sleep Medicine position statement