0 1 2 3 Mon 19 Jun 1972 Mon 26 Jun 1972 Mon 03 Jul 1972 Mon 10 Jul 1972 Mon 17 Jul 1972 Mon 24 Jul 1972 Mon 31 Jul 1972 Mon 07 Aug 1972 Sun 13 Aug 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