0 1 2 3 Mon 10 Jul 1978 Mon 17 Jul 1978 Mon 24 Jul 1978 Mon 31 Jul 1978 Mon 07 Aug 1978 Mon 14 Aug 1978 Mon 21 Aug 1978 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