0 1 2 3 Sun 29 Nov 1981 Tue 01 Dec 1981 Fri 01 Jan 1982 Mon 01 Feb 1982 Thu 25 Feb 1982 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