0 1 2 3 Tue 12 Mar 1991 Tue 19 Mar 1991 Tue 26 Mar 1991 Tue 02 Apr 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