0 1 2 3 Sat 07 Sep 1974 Tue 10 Sep 1974 Fri 13 Sep 1974 Mon 16 Sep 1974 Thu 19 Sep 1974 Sun 22 Sep 1974 Wed 25 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