0 1 2 3 Thu 26 Jul 1973 Fri 03 Aug 1973 Sat 11 Aug 1973 Sun 19 Aug 1973 Mon 27 Aug 1973 Tue 04 Sep 1973 Wed 12 Sep 1973 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