0 1 2 3 Tue 12 Aug 1975 Wed 27 Aug 1975 Thu 11 Sep 1975 Fri 26 Sep 1975 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