0 1 2 3 Sun 10 Jul 1977 Wed 13 Jul 1977 Sat 16 Jul 1977 Tue 19 Jul 1977 Fri 22 Jul 1977 Mon 25 Jul 1977 Thu 28 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