0 1 2 3 Tue 17 Jul 1973 Wed 25 Jul 1973 Thu 02 Aug 1973 Fri 10 Aug 1973 Sat 18 Aug 1973 Sun 26 Aug 1973 Mon 03 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