0 1 2 3 Thu 18 Sep 1975 Thu 25 Sep 1975 Thu 02 Oct 1975 Thu 09 Oct 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