During hospitalization, there were no important between-group differences in organ function damage, including acute liver injury (47 [62.7%] vs 37 [61.7%], P = 0.9052), hyperglycemia (33 [44.0%] vs 31 [51.7%], P = 0.3754), acute kidney injury (three [4.0%] vs 0 [0%], P = 0.3275), and acute cardiac injury (two [2.7%] vs one [1.7%], P = 0.8447) in the good-sleep group and poor-sleep group (Table 3 ).