0 1 2 3 Tue 22 Jul 1975 Fri 01 Aug 1975 Mon 01 Sep 1975 Wed 01 Oct 1975 Mon 20 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