Sleep disorder in PD: a role for circadian rhythm disturbance?
August 6, 2014…eta-analysis of modafinil found that there was insufficient evidence for recommending the drug for PD patients with excessive daytime sleepiness (Sheng et al. PLoS One 2013;8:e81802; free full text at www.ncbi.nlm.nih.gov/pmc/articles/PMC3849275/pdf/pone.0081802.pdf). A novel suggestion is that disturbances to circadian rhythm may play a role in sleep-wake disturbances in PD. To investigate this, a cross-sectional study monitored serum melatonin l…