0 1 2 3 Thu 20 Jul 1972 Thu 27 Jul 1972 Thu 03 Aug 1972 Thu 10 Aug 1972 Thu 17 Aug 1972 Thu 24 Aug 1972 Thu 31 Aug 1972 Thu 07 Sep 1972 Thu 14 Sep 1972 Thu 21 Sep 1972 Thu 28 Sep 1972 Thu 05 Oct 1972 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