0 1 2 3 Sun 03 Feb 1952 Sat 01 Mar 1952 Tue 01 Apr 1952 Thu 01 May 1952 Sat 03 May 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