TY - RPRT TI - Reply to technical note: nonlinear interactions between circadian and homeostatic processes: models or metrics? AU - D J Dijk AU - M E Jewett AU - C A Czeisler AU - R E Kronauer PY - 1999 DO - 10.1177/074873099129000966 UR - https://pubmed.ncbi.nlm.nih.gov/10858043/ ID - 10858043 ER -