0 1 2 3 Tue 10 Mar 1981 Tue 17 Mar 1981 Tue 24 Mar 1981 Tue 31 Mar 1981 Tue 07 Apr 1981 Tue 14 Apr 1981 Tue 21 Apr 1981 Tue 28 Apr 1981 Tue 05 May 1981 Fri 08 May 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