0 1 2 3 Tue 04 Aug 1981 Tue 11 Aug 1981 Tue 18 Aug 1981 Tue 25 Aug 1981 Tue 01 Sep 1981 Tue 08 Sep 1981 Tue 15 Sep 1981 Tue 22 Sep 1981 Tue 29 Sep 1981 Fri 02 Oct 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