Residual symptoms after natural remission of insomnia: associations with relapse over 4 years
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Trait-like vulnerability of higher-order cognition and ability to maintain wakefulness during combined sleep restriction and circadian misalignment
Kate E Sprecher, Hannah K Ritchie, Tina M Burke, Christopher M Depner, Alexandra N Smits, Pieter C Dorrestein, Monika Fleshner, Rob Knight, Christopher A Lowry, Fred W Turek, Martha H Vitaterna, and Kenneth P Wright, Jr

Traumatic childhood experiences and multiple dimensions of poor sleep among adult women
Ketrell L McWhorter, Christine G Parks, Aimee A D’Aloisio, Darlynn M Rojo-Wissar, Dale P Sandler, and Chandra L Jackson