0 1 2 3 Tue 26 Jul 1977 Sun 31 Jul 1977 Fri 05 Aug 1977 Wed 10 Aug 1977 Mon 15 Aug 1977 Sat 20 Aug 1977 Thu 25 Aug 1977 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