0 1 2 3 Sun 23 Jul 1972 Sun 30 Jul 1972 Sun 06 Aug 1972 Sun 13 Aug 1972 Sun 20 Aug 1972 Sun 27 Aug 1972 Sun 03 Sep 1972 Sun 10 Sep 1972 Sun 17 Sep 1972 Thu 21 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