0 1 2 3 Tue 01 Feb 1983 Tue 01 Mar 1983 Fri 01 Apr 1983 Sun 01 May 1983 Mon 02 May 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