According to a recent CDC report, in 2014:

• The mean number of days that an adult worker spent in bed in the previous 12 months was 4.2
• Men spent 3.1 days in bed, while women spent 5.2 days
• The mean number of workdays lost per employed adult was 3.7
• Men lost 3.5 workdays, while women lost 3.9 workdays

Source: "Table A-9. Work-loss days among employed adults aged 18 and over in past 12 months, and bed days among all adults aged 18 and over in past 12 months, by selected characteristics: United States, 2014," Summary Health Statistics: National Health Interview Survey, 2014, Centers for Disease Control and Prevention, October 19, 2015, http://ftp.cdc.gov/pub/Health_Statistics/NCHS/NHIS/SHS/2014_SHS_Table_A-9.pdf