0 1 2 3 Tue 18 Jul 1972 Mon 24 Jul 1972 Sun 30 Jul 1972 Sat 05 Aug 1972 Fri 11 Aug 1972 Thu 17 Aug 1972 Wed 23 Aug 1972 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