0 1 2 3 Sun 07 Sep 1975 Wed 10 Sep 1975 Sat 13 Sep 1975 Tue 16 Sep 1975 Fri 19 Sep 1975 Mon 22 Sep 1975 Thu 25 Sep 1975 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