%0 Journal Article %T Heart rate phenotypes and clinical correlates in a large cohort of adults without sleep apnea %A Balaji Goparaju %A He Chen %A Matt T Bianchi %A Zhaoyang Huang %J Archive of "Nature and Science of Sleep". %D 2018 %R 10.2147/NSS.S155733 %X Normal sleep is associated with typical physiological changes in both the central and autonomic nervous systems. In particular, nocturnal blood pressure dipping has emerged as a strong marker of normal sleep physiology, whereas the absence of dipping or reverse dipping has been associated with cardiovascular risk. However, nocturnal blood pressure is not measured commonly in clinical practice. Heart rate (HR) dipping in sleep may be a similar important marker and is measured routinely in at-home and in-laboratory sleep testing %K heart rate variability %K insomnia %K sleepiness %K sleep quality %K periodic limb movements %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5914741/