Less than 7 hours of sleep per night is associated with transitioning to systemic lupus erythematosus.
Young KA, Munroe ME, Harley JB, Guthridge JM, Kamen DL, Gilkensen GS, Weisman MH, Karp DR, Wallace DJ, James JA, Norris JM. Less than 7 hours of sleep per night is associated with transitioning to systemic lupus erythematosus. Lupus. 2018 Aug; 27(9):1524-1531.