0 1 2 3 Sat 21 Jul 1973 Thu 26 Jul 1973 Tue 31 Jul 1973 Sun 05 Aug 1973 Fri 10 Aug 1973 Wed 15 Aug 1973 Mon 20 Aug 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