0 1 2 3 Thu 01 Sep 1977 Mon 05 Sep 1977 Fri 09 Sep 1977 Tue 13 Sep 1977 Sat 17 Sep 1977 Wed 21 Sep 1977 Sun 25 Sep 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