Related by context. Frequent words. (Click for all words.) 74 polysomnography 63 EEGs 60 electroencephalogram EEG 59 electroencephalography EEG 59 electrocardiogram ECG 58 neuropsychological tests 58 subscales 58 echocardiographic 58 daytime sleepiness 57 HRQOL 57 symptom severity 56 electrocardiography 56 Secondary endpoints 56 preoperatively 56 substudy 56 eszopiclone 56 Postoperative 56 ADAS cog 55 electroencephalography 55 RLS symptoms 55 electroencephalogram 55 cerebrovascular events 55 logistic regression 54 ADHD symptoms 54 CI -#.# 54 prospective observational 54 HRQoL 54 neuropsychiatric symptoms 54 neuropsychological testing 54 oxygen saturation 54 ECGs 54 pregabalin 53 QoL 53 ABPM 53 electrophysiological 53 postoperatively 53 sleep disordered breathing 53 Radiographic 53 placebo controlled studies 53 blood oxygen saturation 53 nerve conduction 53 HSCT 53 univariate 53 airflow obstruction 53 asthma exacerbations 53 Secondary endpoints include 53 spirometry 53 Secondary endpoints included 53 pharmacodynamic effects 53 estimated glomerular filtration 53 ROZEREM 53 physiological parameters 53 QTc 53 fasting insulin 53 anthropometric 52 QOL 52 ramelteon 52 D dimer 52 SpO2 52 randomisation 52 achieved statistical significance 52 carotid intima media 52 immunohistochemical 52 lipid profiles 52 Doppler ultrasound 52 placebo controlled trials 52 Main Outcome Measures 52 ALLHAT 52 BRFSS 52 sociodemographic 52 ± SD 52 Patient Reported Outcomes 52 oximetry 52 placebo controlled clinical 52 fMRI scans 52 potential confounders 52 oral glucose tolerance 52 Pharmacokinetic 51 tamsulosin 51 ANOVA 51 secondary efficacy endpoints 51 montelukast 51 covariates 51 dyspnea 51 DXA 51 attention-deficit/hyperactivity disorder ADHD 51 Cochrane Database 51 depressive symptoms 51 MetS 51 NHANES 51 ACC AHA 51 affective disorders 51 transcranial magnetic stimulation 51 serum concentrations 51 preoperative 51 comorbid conditions 51 near infrared spectroscopy 51 coronary revascularization 51 epidemiologic studies 51 rotigotine 51 Echocardiography