0 1 2 3 Sat 31 Aug 1974 Tue 03 Sep 1974 Fri 06 Sep 1974 Mon 09 Sep 1974 Thu 12 Sep 1974 Sun 15 Sep 1974 Wed 18 Sep 1974 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