0 1 2 3 Thu 30 Aug 1979 Mon 03 Sep 1979 Fri 07 Sep 1979 Tue 11 Sep 1979 Sat 15 Sep 1979 Wed 19 Sep 1979 Sun 23 Sep 1979 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