0 1 2 3 Sun 16 Jan 1983 Mon 31 Jan 1983 Tue 15 Feb 1983 Wed 02 Mar 1983 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