0 1 2 3 Fri 28 Jul 1972 Fri 04 Aug 1972 Fri 11 Aug 1972 Fri 18 Aug 1972 Fri 25 Aug 1972 Fri 01 Sep 1972 Fri 08 Sep 1972 Fri 15 Sep 1972 Fri 22 Sep 1972 Fri 29 Sep 1972 Fri 06 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