0 1 2 3 Wed 20 Sep 1972 Mon 25 Sep 1972 Sat 30 Sep 1972 Thu 05 Oct 1972 Tue 10 Oct 1972 Sun 15 Oct 1972 Fri 20 Oct 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