0 1 2 3 Tue 01 Jul 1986 Fri 01 Aug 1986 Mon 01 Sep 1986 Mon 29 Sep 1986 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