0 1 2 3 Sun 21 Sep 1986 Wed 01 Oct 1986 Sat 01 Nov 1986 Mon 01 Dec 1986 Sat 20 Dec 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