0 1 2 3 Tue 12 Feb 1974 Fri 01 Mar 1974 Mon 01 Apr 1974 Wed 01 May 1974 Mon 13 May 1974 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