0 1 2 3 Wed 17 Jul 1974 Wed 24 Jul 1974 Wed 31 Jul 1974 Wed 07 Aug 1974 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