0 1 2 3 Wed 17 Sep 1975 Wed 01 Oct 1975 Sat 01 Nov 1975 Mon 01 Dec 1975 Tue 16 Dec 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