0 1 2 3 Wed 13 Jul 1977 Sun 17 Jul 1977 Thu 21 Jul 1977 Mon 25 Jul 1977 Fri 29 Jul 1977 Tue 02 Aug 1977 Sat 06 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