0 1 2 3 Mon 04 Jul 1977 Sat 09 Jul 1977 Thu 14 Jul 1977 Tue 19 Jul 1977 Sun 24 Jul 1977 Fri 29 Jul 1977 Wed 03 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