0 1 2 3 Fri 09 Jan 1981 Fri 16 Jan 1981 Fri 23 Jan 1981 Fri 30 Jan 1981 Fri 06 Feb 1981 Fri 13 Feb 1981 Fri 20 Feb 1981 Fri 27 Feb 1981 Fri 06 Mar 1981 Sun 08 Mar 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