0 1 2 3 Sat 09 Mar 1991 Tue 12 Mar 1991 Fri 15 Mar 1991 Mon 18 Mar 1991 Thu 21 Mar 1991 Sun 24 Mar 1991 Wed 27 Mar 1991 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All