0 1 2 3 Tue 22 Feb 1949 Tue 01 Mar 1949 Fri 01 Apr 1949 Sun 01 May 1949 Mon 23 May 1949 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