0 1 2 3 Thu 01 Jul 1976 Sun 01 Aug 1976 Wed 01 Sep 1976 Wed 29 Sep 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