0 1 2 3 Thu 01 Dec 1983 Sun 01 Jan 1984 Wed 01 Feb 1984 Wed 29 Feb 1984 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