0 1 2 3 Tue 14 Oct 1980 Sat 01 Nov 1980 Mon 01 Dec 1980 Thu 01 Jan 1981 Mon 12 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