0 1 2 3 Tue 20 Feb 1951 Thu 01 Mar 1951 Sun 01 Apr 1951 Tue 01 May 1951 Mon 21 May 1951 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