https://wp-misc.lifesci.ucla.edu/qcb/wp-content/uploads/sites/14/2020/09/gettyimages-1217781266_web-2.jpg479574qcbofficehttps://wp-misc.lifesci.ucla.edu/qcb/wp-content/uploads/sites/14/2024/04/Uxd_Blk_QuantitativeComputationalBios_D.pngqcboffice2020-09-19 08:34:152020-10-16 07:55:26Biomathematician Van Savage and sleep researcher Gina Poe discover purpose of sleep shifts during “terrible twos”