0 1 2 3 Tue 20 Sep 1977 Sun 25 Sep 1977 Fri 30 Sep 1977 Wed 05 Oct 1977 Mon 10 Oct 1977 Sat 15 Oct 1977 Thu 20 Oct 1977 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