0 1 2 3 Wed 12 Mar 1952 Wed 19 Mar 1952 Wed 26 Mar 1952 Wed 02 Apr 1952 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