0 1 2 3 Thu 22 Sep 1977 Fri 30 Sep 1977 Sat 08 Oct 1977 Sun 16 Oct 1977 Mon 24 Oct 1977 Tue 01 Nov 1977 Wed 09 Nov 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