0 1 2 3 Mon 11 Jul 1977 Thu 14 Jul 1977 Sun 17 Jul 1977 Wed 20 Jul 1977 Sat 23 Jul 1977 Tue 26 Jul 1977 Fri 29 Jul 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