0 1 2 3 Thu 20 Sep 1979 Mon 01 Oct 1979 Thu 01 Nov 1979 Sat 01 Dec 1979 Mon 17 Dec 1979 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