Persistent Insomnia Despite Long-Term Nightly Use of Sleeping Pills Persistent Insomnia Despite Long-Term Nightly Use of Sleeping Pills Download Obstructive Sleep Apnea (OSA) in Preadolescent Girls is Associated with Delayed Breast Development Compared to Girls without OSA Plasma Total Ghrelin and Leptin Levels in Human Narcolepsy and Matched Healthy Controls: Basal Concentrations and Response to Sodium Oxybate