0 1 2 3 Sun 11 Sep 1977 Fri 16 Sep 1977 Wed 21 Sep 1977 Mon 26 Sep 1977 Sat 01 Oct 1977 Thu 06 Oct 1977 Tue 11 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