0 1 2 3 Wed 03 Sep 1980 Wed 01 Oct 1980 Sat 01 Nov 1980 Mon 01 Dec 1980 Thu 01 Jan 1981 Sat 24 Jan 1981 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