0 1 2 3 Thu 13 Mar 1952 Fri 28 Mar 1952 Sat 12 Apr 1952 Sun 27 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