0 1 2 3 Fri 16 Jul 1976 Fri 23 Jul 1976 Fri 30 Jul 1976 Fri 06 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