0 1 2 3 Mon 12 Jul 1976 Tue 20 Jul 1976 Wed 28 Jul 1976 Thu 05 Aug 1976 Fri 13 Aug 1976 Sat 21 Aug 1976 Sun 29 Aug 1976 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