0 1 2 3 Mon 04 Aug 1975 Tue 12 Aug 1975 Wed 20 Aug 1975 Thu 28 Aug 1975 Fri 05 Sep 1975 Sat 13 Sep 1975 Sun 21 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