Effect of Acute Sleep Disturbance and Recovery on Insulin-Like Growth Factor-1 (IGF-1): Possible Connections and Clinical Implications Effect of Acute Sleep Disturbance and Recovery on Insulin-Like Growth Factor-1 (IGF-1): Possible Connections and Clinical Implications Download Does Increased IGF-1 Concentration Have a Clear Positive Significance in Reducing Depression and Posttraumatic Arousal Symptoms? Effect of Wakefulness-Promoting Agents on Sleepiness in Patients with Sleep Apnea Treated with CPAP: A Meta-Analysis