0 1 2 3 Sun 31 Jul 1977 Wed 03 Aug 1977 Sat 06 Aug 1977 Tue 09 Aug 1977 Fri 12 Aug 1977 Mon 15 Aug 1977 Thu 18 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