0 1 2 3 Thu 05 Feb 1981 Thu 12 Feb 1981 Thu 19 Feb 1981 Thu 26 Feb 1981 Thu 05 Mar 1981 Thu 12 Mar 1981 Thu 19 Mar 1981 Thu 26 Mar 1981 Thu 02 Apr 1981 Sun 05 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