0 1 2 3 Fri 06 Mar 1981 Fri 13 Mar 1981 Fri 20 Mar 1981 Fri 27 Mar 1981 Fri 03 Apr 1981 Fri 10 Apr 1981 Fri 17 Apr 1981 Fri 24 Apr 1981 Wed 29 Apr 1981 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