0 1 2 3 Sat 17 Sep 1977 Fri 23 Sep 1977 Thu 29 Sep 1977 Wed 05 Oct 1977 Tue 11 Oct 1977 Mon 17 Oct 1977 Sun 23 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