0 1 2 3 Mon 31 Jul 1972 Mon 07 Aug 1972 Mon 14 Aug 1972 Mon 21 Aug 1972 Mon 28 Aug 1972 Mon 04 Sep 1972 Mon 11 Sep 1972 Mon 18 Sep 1972 Mon 25 Sep 1972 Fri 29 Sep 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